42622999 has 2 divisors, whose sum is σ = 42623000. Its totient is φ = 42622998.

The previous prime is 42622997. The next prime is 42623027. The reversal of 42622999 is 99922624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42622999 - 2¹ = 42622997 is a prime.

Together with 42622997, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42622997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21311499 + 21311500.

It is an arithmetic number, because the mean of its divisors is an integer number (21311500).

Almost surely, 2^42622999 is an apocalyptic number.

42622999 is a deficient number, since it is larger than the sum of its proper divisors (1).

42622999 is an equidigital number, since it uses as much as digits as its factorization.

42622999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 43.

The square root of 42622999 is about 6528.6291823016. The cubic root of 42622999 is about 349.3129351382.

The spelling of 42622999 in words is "forty-two million, six hundred twenty-two thousand, nine hundred ninety-nine".