2222407779820 has 24 divisors (see below), whose sum is σ = 4669605325728. Its totient is φ = 888477590400.

The previous prime is 2222407779811. The next prime is 2222407779827. The reversal of 2222407779820 is 289777042222.

It is not an unprimeable number, because it can be changed into a prime (2222407779827) 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, 30307561 + ... + 30380800.

It is an arithmetic number, because the mean of its divisors is an integer number (194566888572).

Almost surely, 2^{2222407779820} is an apocalyptic number.

2222407779820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222407779820 is an abundant number, since it is smaller than the sum of its proper divisors (2447197545908).

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

2222407779820 is a wasteful number, since it uses less digits than its factorization.

2222407779820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60690201 (or 60690199 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 52.

The spelling of 2222407779820 in words is "two trillion, two hundred twenty-two billion, four hundred seven million, seven hundred seventy-nine thousand, eight hundred twenty".