22462420 has 24 divisors (see below), whose sum is σ = 47877984. Its totient is φ = 8850336.

The previous prime is 22462411. The next prime is 22462459. The reversal of 22462420 is 2426422.

It is a junction number, because it is equal to n+sod(n) for n = 22462391 and 22462400.

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, 7042 + ... + 9721.

It is an arithmetic number, because the mean of its divisors is an integer number (1994916).

Almost surely, 2^22462420 is an apocalyptic number.

22462420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22462420 is an abundant number, since it is smaller than the sum of its proper divisors (25415564).

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

22462420 is a wasteful number, since it uses less digits than its factorization.

22462420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16839 (or 16837 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 22462420 is about 4739.4535549998. The cubic root of 22462420 is about 282.1535471492.

Adding to 22462420 its reverse (2426422), we get a palindrome (24888842).

The spelling of 22462420 in words is "twenty-two million, four hundred sixty-two thousand, four hundred twenty".