22609437 has 8 divisors (see below), whose sum is σ = 31456704. Its totient is φ = 14417568.

The previous prime is 22609403. The next prime is 22609451. The reversal of 22609437 is 73490622.

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

It is not a de Polignac number, because 22609437 - 2⁷ = 22609309 is a prime.

It is a super-2 number, since 2×22609437² = 1022373282913938, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22609398 and 22609407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22609537) 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, 163768 + ... + 163905.

It is an arithmetic number, because the mean of its divisors is an integer number (3932088).

Almost surely, 2^22609437 is an apocalyptic number.

It is an amenable number.

22609437 is a deficient number, since it is larger than the sum of its proper divisors (8847267).

22609437 is a wasteful number, since it uses less digits than its factorization.

22609437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327699.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 22609437 is about 4754.9381699450. The cubic root of 22609437 is about 282.7677759644.

The spelling of 22609437 in words is "twenty-two million, six hundred nine thousand, four hundred thirty-seven".