22872437 has 8 divisors (see below), whose sum is σ = 26508672. Its totient is φ = 19328400.

The previous prime is 22872407. The next prime is 22872439. The reversal of 22872437 is 73427822.

22872437 is nontrivially palindromic in base 2.

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

It is not a de Polignac number, because 22872437 - 2¹⁰ = 22871413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22872397 and 22872406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22872439) 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, 22514 + ... + 23507.

It is an arithmetic number, because the mean of its divisors is an integer number (3313584).

Almost surely, 2^22872437 is an apocalyptic number.

It is an amenable number.

22872437 is a deficient number, since it is larger than the sum of its proper divisors (3636235).

22872437 is an equidigital number, since it uses as much as digits as its factorization.

22872437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46099.

The product of its digits is 37632, while the sum is 35.

The square root of 22872437 is about 4782.5136696093. The cubic root of 22872437 is about 283.8599661752.

The spelling of 22872437 in words is "twenty-two million, eight hundred seventy-two thousand, four hundred thirty-seven".