10621442 has 32 divisors (see below), whose sum is σ = 18009264. Its totient is φ = 4665600.

The previous prime is 10621441. The next prime is 10621477. The reversal of 10621442 is 24412601.

It can be written as a sum of positive squares in 8 ways, for example, as 323761 + 10297681 = 569^2 + 3209^2 .

It is a super-2 number, since 2×10621442² = 225630060318728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10621441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58592 + ... + 58772.

Almost surely, 2^10621442 is an apocalyptic number.

10621442 is a deficient number, since it is larger than the sum of its proper divisors (7387822).

10621442 is a wasteful number, since it uses less digits than its factorization.

10621442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 10621442 is about 3259.0553846168. The cubic root of 10621442 is about 219.8169413859.

The spelling of 10621442 in words is "ten million, six hundred twenty-one thousand, four hundred forty-two".