2222691378 has 16 divisors (see below), whose sum is σ = 4445845056. Its totient is φ = 740820080.

The previous prime is 2222691337. The next prime is 2222691397. The reversal of 2222691378 is 8731962222.

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, 101008 + ... + 121028.

It is an arithmetic number, because the mean of its divisors is an integer number (277865316).

Almost surely, 2^2222691378 is an apocalyptic number.

2222691378 is an abundant number, since it is smaller than the sum of its proper divisors (2223153678).

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

2222691378 is a wasteful number, since it uses less digits than its factorization.

2222691378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38529.

The product of its digits is 145152, while the sum is 42.

The square root of 2222691378 is about 47145.4279649681. The cubic root of 2222691378 is about 1305.0477080664.

The spelling of 2222691378 in words is "two billion, two hundred twenty-two million, six hundred ninety-one thousand, three hundred seventy-eight".