22227014778 has 16 divisors (see below), whose sum is σ = 44458252896. Its totient is φ = 7408301040.

The previous prime is 22227014741. The next prime is 22227014809. The reversal of 22227014778 is 87741072222.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105376 + ... + 235707.

It is an arithmetic number, because the mean of its divisors is an integer number (2778640806).

Almost surely, 2^22227014778 is an apocalyptic number.

22227014778 is an abundant number, since it is smaller than the sum of its proper divisors (22231238118).

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

22227014778 is a wasteful number, since it uses less digits than its factorization.

22227014778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351949.

The product of its (nonzero) digits is 175616, while the sum is 42.

The spelling of 22227014778 in words is "twenty-two billion, two hundred twenty-seven million, fourteen thousand, seven hundred seventy-eight".