22878333 has 6 divisors (see below), whose sum is σ = 33046494. Its totient is φ = 15252216.

The previous prime is 22878329. The next prime is 22878347. The reversal of 22878333 is 33387822.

It can be written as a sum of positive squares in only one way, i.e., 21874329 + 1004004 = 4677^2 + 1002^2 .

It is not a de Polignac number, because 22878333 - 2² = 22878329 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22878133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1271010 + ... + 1271027.

It is an arithmetic number, because the mean of its divisors is an integer number (5507749).

Almost surely, 2^22878333 is an apocalyptic number.

It is an amenable number.

22878333 is a deficient number, since it is larger than the sum of its proper divisors (10168161).

22878333 is a wasteful number, since it uses less digits than its factorization.

22878333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2542043 (or 2542040 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 22878333 is about 4783.1300421377. The cubic root of 22878333 is about 283.8843549853.

The spelling of 22878333 in words is "twenty-two million, eight hundred seventy-eight thousand, three hundred thirty-three".