1393090022 has 8 divisors (see below), whose sum is σ = 2089800216. Its totient is φ = 696489952.

The previous prime is 1393090021. The next prime is 1393090037. The reversal of 1393090022 is 2200903931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1393090021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21713 + ... + 57075.

It is an arithmetic number, because the mean of its divisors is an integer number (261225027).

Almost surely, 2^1393090022 is an apocalyptic number.

1393090022 is a deficient number, since it is larger than the sum of its proper divisors (696710194).

1393090022 is a wasteful number, since it uses less digits than its factorization.

1393090022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55062.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 1393090022 is about 37324.1211818845. The cubic root of 1393090022 is about 1116.8454018891.

Adding to 1393090022 its reverse (2200903931), we get a palindrome (3593993953).

The spelling of 1393090022 in words is "one billion, three hundred ninety-three million, ninety thousand, twenty-two".