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1222508070 = 2325719414753
BaseRepresentation
bin100100011011101…
…1111111000100110
310011012100211210200
41020313133320212
510000430224240
6321150331330
742203101320
oct11067377046
93135324720
101222508070
1157808a453
122a14b9b46
13166375374
14b850c610
15724d4930
hex48ddfe26

1222508070 has 384 divisors, whose sum is σ = 4075868160. Its totient is φ = 248002560.

The previous prime is 1222508069. The next prime is 1222508081. The reversal of 1222508070 is 708052221.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 23066164 + ... + 23066216.

It is an arithmetic number, because the mean of its divisors is an integer number (10614240).

Almost surely, 21222508070 is an apocalyptic number.

1222508070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222508070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2037934080).

1222508070 is an abundant number, since it is smaller than the sum of its proper divisors (2853360090).

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

1222508070 is a wasteful number, since it uses less digits than its factorization.

1222508070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 1222508070 is about 34964.3828774369. The cubic root of 1222508070 is about 1069.2614550070.

The spelling of 1222508070 in words is "one billion, two hundred twenty-two million, five hundred eight thousand, seventy".