1001522656 has 24 divisors (see below), whose sum is σ = 2039740920. Its totient is φ = 483493248.

The previous prime is 1001522653. The next prime is 1001522677. The reversal of 1001522656 is 6562251001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001522653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 538686 + ... + 540541.

It is an arithmetic number, because the mean of its divisors is an integer number (84989205).

Almost surely, 2^1001522656 is an apocalyptic number.

1001522656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1001522656 is an abundant number, since it is smaller than the sum of its proper divisors (1038218264).

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

1001522656 is a wasteful number, since it uses less digits than its factorization.

1001522656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079266 (or 1079258 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 1001522656 is about 31646.8427493170. The cubic root of 1001522656 is about 1000.5072946087.

Adding to 1001522656 its reverse (6562251001), we get a palindrome (7563773657).

It can be divided in two parts, 100 and 1522656, that added together give a square (1522756 = 1234²).

The spelling of 1001522656 in words is "one billion, one million, five hundred twenty-two thousand, six hundred fifty-six".