2272412778 has 32 divisors (see below), whose sum is σ = 4728422400. Its totient is φ = 727256880.

The previous prime is 2272412767. The next prime is 2272412887. The reversal of 2272412778 is 8772142722.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24478 + ... + 71721.

It is an arithmetic number, because the mean of its divisors is an integer number (147763200).

Almost surely, 2^2272412778 is an apocalyptic number.

2272412778 is an abundant number, since it is smaller than the sum of its proper divisors (2456009622).

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

2272412778 is a wasteful number, since it uses less digits than its factorization.

2272412778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96362.

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

The square root of 2272412778 is about 47669.8308996371. The cubic root of 2272412778 is about 1314.7072995210.

The spelling of 2272412778 in words is "two billion, two hundred seventy-two million, four hundred twelve thousand, seven hundred seventy-eight".