1393950722 has 16 divisors (see below), whose sum is σ = 2157442560. Its totient is φ = 675109248.

The previous prime is 1393950707. The next prime is 1393950731. The reversal of 1393950722 is 2270593931.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1393950722.

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, 67322 + ... + 85557.

It is an arithmetic number, because the mean of its divisors is an integer number (134840160).

Almost surely, 2^1393950722 is an apocalyptic number.

1393950722 is a deficient number, since it is larger than the sum of its proper divisors (763491838).

1393950722 is a wasteful number, since it uses less digits than its factorization.

1393950722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153025.

The product of its (nonzero) digits is 102060, while the sum is 41.

The square root of 1393950722 is about 37335.6494787489. The cubic root of 1393950722 is about 1117.0753633229.

The spelling of 1393950722 in words is "one billion, three hundred ninety-three million, nine hundred fifty thousand, seven hundred twenty-two".