20222215548 has 24 divisors (see below), whose sum is σ = 47782452480. Its totient is φ = 6655412400.

The previous prime is 20222215543. The next prime is 20222215609. The reversal of 20222215548 is 84551222202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222215543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10664778 + ... + 10666673.

It is an arithmetic number, because the mean of its divisors is an integer number (1990935520).

Almost surely, 2^20222215548 is an apocalyptic number.

It is an amenable number.

20222215548 is an abundant number, since it is smaller than the sum of its proper divisors (27560236932).

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

20222215548 is a wasteful number, since it uses less digits than its factorization.

20222215548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21331537 (or 21331535 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 33.

The spelling of 20222215548 in words is "twenty billion, two hundred twenty-two million, two hundred fifteen thousand, five hundred forty-eight".