42922999 has 4 divisors (see below), whose sum is σ = 49054864. Its totient is φ = 36791136.

The previous prime is 42922993. The next prime is 42923017. The reversal of 42922999 is 99922924.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42922999 - 2⁵ = 42922967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42922993) 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, 3065922 + ... + 3065935.

It is an arithmetic number, because the mean of its divisors is an integer number (12263716).

Almost surely, 2^42922999 is an apocalyptic number.

42922999 is a deficient number, since it is larger than the sum of its proper divisors (6131865).

42922999 is an equidigital number, since it uses as much as digits as its factorization.

42922999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6131864.

The product of its digits is 209952, while the sum is 46.

The square root of 42922999 is about 6551.5646222868. The cubic root of 42922999 is about 350.1305608145.

The spelling of 42922999 in words is "forty-two million, nine hundred twenty-two thousand, nine hundred ninety-nine".