22609245 has 32 divisors (see below), whose sum is σ = 37537920. Its totient is φ = 11612160.

The previous prime is 22609231. The next prime is 22609273. The reversal of 22609245 is 54290622.

It is not a de Polignac number, because 22609245 - 2⁴ = 22609229 is a prime.

It is a super-2 number, since 2×22609245² = 1022355918940050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59466 + ... + 59844.

It is an arithmetic number, because the mean of its divisors is an integer number (1173060).

Almost surely, 2^22609245 is an apocalyptic number.

It is an amenable number.

22609245 is a deficient number, since it is larger than the sum of its proper divisors (14928675).

22609245 is a wasteful number, since it uses less digits than its factorization.

22609245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525.

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

The square root of 22609245 is about 4754.9179803652. The cubic root of 22609245 is about 282.7669755381.

Adding to 22609245 its reverse (54290622), we get a palindrome (76899867).

The spelling of 22609245 in words is "twenty-two million, six hundred nine thousand, two hundred forty-five".