25622022 has 16 divisors (see below), whose sum is σ = 53011440. Its totient is φ = 8246112.

The previous prime is 25622021. The next prime is 25622039. The reversal of 25622022 is 22022652.

It is a super-2 number, since 2×25622022² = 1312976022736968, 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 25622022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25622021) 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, 73453 + ... + 73800.

It is an arithmetic number, because the mean of its divisors is an integer number (3313215).

Almost surely, 2^25622022 is an apocalyptic number.

25622022 is an abundant number, since it is smaller than the sum of its proper divisors (27389418).

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

25622022 is a wasteful number, since it uses less digits than its factorization.

25622022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147287.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 25622022 is about 5061.8200284088. The cubic root of 25622022 is about 294.8070058175.

Adding to 25622022 its reverse (22022652), we get a palindrome (47644674).

The spelling of 25622022 in words is "twenty-five million, six hundred twenty-two thousand, twenty-two".