22313400 has 48 divisors (see below), whose sum is σ = 69173400. Its totient is φ = 5950080.

The previous prime is 22313393. The next prime is 22313411. The reversal of 22313400 is 431322.

It is a super-3 number, since 3×22313400³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22313400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17995 + ... + 19194.

Almost surely, 2^22313400 is an apocalyptic number.

22313400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22313400 is an abundant number, since it is smaller than the sum of its proper divisors (46860000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22313400 is a wasteful number, since it uses less digits than its factorization.

22313400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37208 (or 37199 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 22313400 is about 4723.7061720645. The cubic root of 22313400 is about 281.5282086597.

Adding to 22313400 its reverse (431322), we get a palindrome (22744722).

The spelling of 22313400 in words is "twenty-two million, three hundred thirteen thousand, four hundred".