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122202864 = 24337223251
BaseRepresentation
bin1110100100010…
…10101011110000
322111221112211000
413102022223300
5222240442424
620043122000
73012464400
oct722125360
9274845730
10122202864
1162a86903
1234b13300
131c4187b4
1412330800
15aadd3c9
hex748aaf0

122202864 has 240 divisors, whose sum is σ = 427472640. Its totient is φ = 33264000.

The previous prime is 122202863. The next prime is 122202901. The reversal of 122202864 is 468202221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122202863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 486739 + ... + 486989.

It is an arithmetic number, because the mean of its divisors is an integer number (1781136).

Almost surely, 2122202864 is an apocalyptic number.

122202864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122202864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213736320).

122202864 is an abundant number, since it is smaller than the sum of its proper divisors (305269776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122202864 is a wasteful number, since it uses less digits than its factorization.

122202864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305 (or 286 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 122202864 is about 11054.5404246400. The cubic root of 122202864 is about 496.2423156963.

The spelling of 122202864 in words is "one hundred twenty-two million, two hundred two thousand, eight hundred sixty-four".