23422402 has 12 divisors (see below), whose sum is σ = 37081206. Its totient is φ = 11094480.

The previous prime is 23422393. The next prime is 23422409. The reversal of 23422402 is 20422432.

It can be written as a sum of positive squares in only one way, i.e., 14295961 + 9126441 = 3781^2 + 3021^2 .

It is a super-3 number, since 3×23422402³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 23422402.

It is not an unprimeable number, because it can be changed into a prime (23422409) 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, 15499 + ... + 16942.

Almost surely, 2^23422402 is an apocalyptic number.

23422402 is a deficient number, since it is larger than the sum of its proper divisors (13658804).

23422402 is a wasteful number, since it uses less digits than its factorization.

23422402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32481 (or 32462 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 23422402 is about 4839.6696168230. The cubic root of 23422402 is about 286.1170971430.

Adding to 23422402 its reverse (20422432), we get a palindrome (43844834).

The spelling of 23422402 in words is "twenty-three million, four hundred twenty-two thousand, four hundred two".