22787273 has 8 divisors (see below), whose sum is σ = 23882496. Its totient is φ = 21700800.

The previous prime is 22787269. The next prime is 22787279. The reversal of 22787273 is 37278722.

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 22787273 - 2² = 22787269 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22787279) 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, 3488 + ... + 7598.

It is an arithmetic number, because the mean of its divisors is an integer number (2985312).

Almost surely, 2^22787273 is an apocalyptic number.

22787273 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

22787273 is a deficient number, since it is larger than the sum of its proper divisors (1095223).

22787273 is a wasteful number, since it uses less digits than its factorization.

22787273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4375.

The product of its digits is 65856, while the sum is 38.

The square root of 22787273 is about 4773.6016800734. The cubic root of 22787273 is about 283.5072167558.

The spelling of 22787273 in words is "twenty-two million, seven hundred eighty-seven thousand, two hundred seventy-three".