256061622 has 16 divisors (see below), whose sum is σ = 534389760. Its totient is φ = 81642792.

The previous prime is 256061621. The next prime is 256061627. The reversal of 256061622 is 226160652.

256061622 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×256061622² = 131135108522541768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 256061622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256061621) 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, 927622 + ... + 927897.

It is an arithmetic number, because the mean of its divisors is an integer number (33399360).

Almost surely, 2^256061622 is an apocalyptic number.

256061622 is an abundant number, since it is smaller than the sum of its proper divisors (278328138).

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

256061622 is a wasteful number, since it uses less digits than its factorization.

256061622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855547.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 256061622 is about 16001.9255716304. The cubic root of 256061622 is about 635.0113640060.

The spelling of 256061622 in words is "two hundred fifty-six million, sixty-one thousand, six hundred twenty-two".