22201515420 has 48 divisors (see below), whose sum is σ = 71044850688. Its totient is φ = 5074632000.

The previous prime is 22201515377. The next prime is 22201515433. The reversal of 22201515420 is 2451510222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26429956 + ... + 26430795.

It is an arithmetic number, because the mean of its divisors is an integer number (1480101056).

Almost surely, 2^22201515420 is an apocalyptic number.

22201515420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22201515420 is an abundant number, since it is smaller than the sum of its proper divisors (48843335268).

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

22201515420 is a wasteful number, since it uses less digits than its factorization.

22201515420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52860770 (or 52860768 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The spelling of 22201515420 in words is "twenty-two billion, two hundred one million, five hundred fifteen thousand, four hundred twenty".