22202423420 has 24 divisors (see below), whose sum is σ = 46629780624. Its totient is φ = 8880075776.

The previous prime is 22202423413. The next prime is 22202423431. The reversal of 22202423420 is 2432420222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170204 + ... + 270876.

It is an arithmetic number, because the mean of its divisors is an integer number (1942907526).

Almost surely, 2^22202423420 is an apocalyptic number.

22202423420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22202423420 is an abundant number, since it is smaller than the sum of its proper divisors (24427357204).

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

22202423420 is a wasteful number, since it uses less digits than its factorization.

22202423420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111709 (or 111707 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 22202423420 its reverse (2432420222), we get a palindrome (24634843642).

The spelling of 22202423420 in words is "twenty-two billion, two hundred two million, four hundred twenty-three thousand, four hundred twenty".