22294910491980 has 192 divisors, whose sum is σ = 71559897292800. Its totient is φ = 5080542713856.

The previous prime is 22294910491949. The next prime is 22294910492087. The reversal of 22294910491980 is 8919401949222.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1533659272 + ... + 1533673808.

It is an arithmetic number, because the mean of its divisors is an integer number (372707798400).

Almost surely, 2^{22294910491980} is an apocalyptic number.

22294910491980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22294910491980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35779948646400).

22294910491980 is an abundant number, since it is smaller than the sum of its proper divisors (49264986800820).

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

22294910491980 is a wasteful number, since it uses less digits than its factorization.

22294910491980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25368 (or 25366 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 60.

The spelling of 22294910491980 in words is "twenty-two trillion, two hundred ninety-four billion, nine hundred ten million, four hundred ninety-one thousand, nine hundred eighty".