402922061 has 2 divisors, whose sum is σ = 402922062. Its totient is φ = 402922060.

The previous prime is 402922057. The next prime is 402922063. The reversal of 402922061 is 160229204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 294637225 + 108284836 = 17165^2 + 10406^2 .

It is a cyclic number.

It is not a de Polignac number, because 402922061 - 2² = 402922057 is a prime.

Together with 402922063, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 402922061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402922063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201461030 + 201461031.

It is an arithmetic number, because the mean of its divisors is an integer number (201461031).

Almost surely, 2^402922061 is an apocalyptic number.

It is an amenable number.

402922061 is a deficient number, since it is larger than the sum of its proper divisors (1).

402922061 is an equidigital number, since it uses as much as digits as its factorization.

402922061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 402922061 is about 20072.9185969555. The cubic root of 402922061 is about 738.5961092943.

The spelling of 402922061 in words is "four hundred two million, nine hundred twenty-two thousand, sixty-one".