22625245 has 8 divisors (see below), whose sum is σ = 27180216. Its totient is φ = 18080256.

The previous prime is 22625243. The next prime is 22625263. The reversal of 22625245 is 54252622.

It can be written as a sum of positive squares in 4 ways, for example, as 544644 + 22080601 = 738^2 + 4699^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22625245 - 2¹ = 22625243 is a prime.

It is a super-2 number, since 2×22625245² = 1023803422620050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22625243) 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, 4069 + ... + 7861.

It is an arithmetic number, because the mean of its divisors is an integer number (3397527).

Almost surely, 2^22625245 is an apocalyptic number.

It is an amenable number.

22625245 is a deficient number, since it is larger than the sum of its proper divisors (4554971).

22625245 is a wasteful number, since it uses less digits than its factorization.

22625245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4991.

The product of its digits is 9600, while the sum is 28.

The square root of 22625245 is about 4756.6001513686. The cubic root of 22625245 is about 282.8336621935.

Adding to 22625245 its reverse (54252622), we get a palindrome (76877867).

The spelling of 22625245 in words is "twenty-two million, six hundred twenty-five thousand, two hundred forty-five".