25612422 has 16 divisors (see below), whose sum is σ = 55881792. Its totient is φ = 7761320.

The previous prime is 25612403. The next prime is 25612429. The reversal of 25612422 is 22421652.

It is a happy number.

It is a super-4 number, since 4×25612422⁴ (a number of 31 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25612392 and 25612401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25612429) 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, 193968 + ... + 194099.

It is an arithmetic number, because the mean of its divisors is an integer number (3492612).

Almost surely, 2^25612422 is an apocalyptic number.

25612422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

25612422 is an abundant number, since it is smaller than the sum of its proper divisors (30269370).

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

25612422 is a wasteful number, since it uses less digits than its factorization.

25612422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388083.

The product of its digits is 1920, while the sum is 24.

The square root of 25612422 is about 5060.8716640516. The cubic root of 25612422 is about 294.7701820155.

The spelling of 25612422 in words is "twenty-five million, six hundred twelve thousand, four hundred twenty-two".