25722466 has 64 divisors (see below), whose sum is σ = 51840000. Its totient is φ = 9270720.

The previous prime is 25722451. The next prime is 25722469. The reversal of 25722466 is 66422752.

It is not an unprimeable number, because it can be changed into a prime (25722469) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 172560 + ... + 172708.

It is an arithmetic number, because the mean of its divisors is an integer number (810000).

Almost surely, 2^25722466 is an apocalyptic number.

25722466 is an abundant number, since it is smaller than the sum of its proper divisors (26117534).

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

25722466 is a wasteful number, since it uses less digits than its factorization.

25722466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247.

The product of its digits is 40320, while the sum is 34.

The square root of 25722466 is about 5071.7320512819. The cubic root of 25722466 is about 295.1917397556.

The spelling of 25722466 in words is "twenty-five million, seven hundred twenty-two thousand, four hundred sixty-six".