22868397 has 6 divisors (see below), whose sum is σ = 33032142. Its totient is φ = 15245592.

The previous prime is 22868393. The next prime is 22868401. The reversal of 22868397 is 79386822.

It is an interprime number because it is at equal distance from previous prime (22868393) and next prime (22868401).

It can be written as a sum of positive squares in only one way, i.e., 21846276 + 1022121 = 4674^2 + 1011^2 .

It is not a de Polignac number, because 22868397 - 2² = 22868393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22868393) 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, 1270458 + ... + 1270475.

It is an arithmetic number, because the mean of its divisors is an integer number (5505357).

Almost surely, 2^22868397 is an apocalyptic number.

It is an amenable number.

22868397 is a deficient number, since it is larger than the sum of its proper divisors (10163745).

22868397 is a wasteful number, since it uses less digits than its factorization.

22868397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2540939 (or 2540936 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 22868397 is about 4782.0912789281. The cubic root of 22868397 is about 283.8432522910.

The spelling of 22868397 in words is "twenty-two million, eight hundred sixty-eight thousand, three hundred ninety-seven".