22190818250380 has 48 divisors (see below), whose sum is σ = 50337006650784. Its totient is φ = 8168778984960.

The previous prime is 22190818250219. The next prime is 22190818250383. The reversal of 22190818250380 is 8305281809122.

It is not an unprimeable number, because it can be changed into a prime (22190818250383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128840377 + ... + 129012496.

It is an arithmetic number, because the mean of its divisors is an integer number (1048687638558).

Almost surely, 2^{22190818250380} is an apocalyptic number.

22190818250380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22190818250380 is an abundant number, since it is smaller than the sum of its proper divisors (28146188400404).

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

22190818250380 is a wasteful number, since it uses less digits than its factorization.

22190818250380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257853226 (or 257853224 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 49.

The spelling of 22190818250380 in words is "twenty-two trillion, one hundred ninety billion, eight hundred eighteen million, two hundred fifty thousand, three hundred eighty".