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122236668 = 22331131821
BaseRepresentation
bin1110100100100…
…10111011111100
322112000021012000
413102102323330
5222243033133
620043542300
73012665061
oct722227374
9275007160
10122236668
1162aaa244
1234b2a990
131c42acb8
141233cc68
15aae8413
hex7492efc

122236668 has 24 divisors (see below), whose sum is σ = 316910160. Its totient is φ = 40745520.

The previous prime is 122236663. The next prime is 122236679. The reversal of 122236668 is 866632221.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122236663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 565803 + ... + 566018.

It is an arithmetic number, because the mean of its divisors is an integer number (13204590).

Almost surely, 2122236668 is an apocalyptic number.

122236668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

122236668 is an abundant number, since it is smaller than the sum of its proper divisors (194673492).

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

122236668 is a wasteful number, since it uses less digits than its factorization.

122236668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131834 (or 1131826 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 122236668 is about 11056.0692834298. The cubic root of 122236668 is about 496.2880686576.

Adding to 122236668 its reverse (866632221), we get a palindrome (988868889).

The spelling of 122236668 in words is "one hundred twenty-two million, two hundred thirty-six thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 1131821 2263642 3395463 4527284 6790926 10186389 13581852 20372778 30559167 40745556 61118334 122236668