279922942 has 16 divisors (see below), whose sum is σ = 452939760. Its totient is φ = 128979072.

The previous prime is 279922931. The next prime is 279922943. The reversal of 279922942 is 249229972.

It is a junction number, because it is equal to n+sod(n) for n = 279922892 and 279922901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (279922943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7398 + ... + 24790.

It is an arithmetic number, because the mean of its divisors is an integer number (28308735).

Almost surely, 2^279922942 is an apocalyptic number.

279922942 is a deficient number, since it is larger than the sum of its proper divisors (173016818).

279922942 is a wasteful number, since it uses less digits than its factorization.

279922942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18027.

The product of its digits is 326592, while the sum is 46.

The square root of 279922942 is about 16730.8978240858. The cubic root of 279922942 is about 654.1532418105.

The spelling of 279922942 in words is "two hundred seventy-nine million, nine hundred twenty-two thousand, nine hundred forty-two".