22606404420 has 24 divisors (see below), whose sum is σ = 63297932544. Its totient is φ = 6028374496.

The previous prime is 22606404419. The next prime is 22606404433. The reversal of 22606404420 is 2440460622.

It is a super-2 number, since 2×22606404420² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 188386644 + ... + 188386763.

It is an arithmetic number, because the mean of its divisors is an integer number (2637413856).

Almost surely, 2^22606404420 is an apocalyptic number.

22606404420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22606404420 is an abundant number, since it is smaller than the sum of its proper divisors (40691528124).

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

22606404420 is a wasteful number, since it uses less digits than its factorization.

22606404420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376773419 (or 376773417 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The spelling of 22606404420 in words is "twenty-two billion, six hundred six million, four hundred four thousand, four hundred twenty".