1393920022 has 32 divisors (see below), whose sum is σ = 2357849088. Its totient is φ = 612300000.

The previous prime is 1393920019. The next prime is 1393920043. The reversal of 1393920022 is 2200293931.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

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, 886497 + ... + 888067.

It is an arithmetic number, because the mean of its divisors is an integer number (73682784).

Almost surely, 2^1393920022 is an apocalyptic number.

1393920022 is a deficient number, since it is larger than the sum of its proper divisors (963929066).

1393920022 is a wasteful number, since it uses less digits than its factorization.

1393920022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2916.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 1393920022 is about 37335.2383412775. The cubic root of 1393920022 is about 1117.0671625392.

The spelling of 1393920022 in words is "one billion, three hundred ninety-three million, nine hundred twenty thousand, twenty-two".