22302252400 has 60 divisors (see below), whose sum is σ = 56733011712. Its totient is φ = 8396139520.

The previous prime is 22302252377. The next prime is 22302252403. The reversal of 22302252400 is 425220322.

It is a happy number.

It is a super-2 number, since 2×22302252400² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22302252403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1633072 + ... + 1646671.

Almost surely, 2^22302252400 is an apocalyptic number.

22302252400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22302252400 is an abundant number, since it is smaller than the sum of its proper divisors (34430759312).

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

22302252400 is a wasteful number, since it uses less digits than its factorization.

22302252400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3279778 (or 3279767 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

Adding to 22302252400 its reverse (425220322), we get a palindrome (22727472722).

The spelling of 22302252400 in words is "twenty-two billion, three hundred two million, two hundred fifty-two thousand, four hundred".