402220499 has 2 divisors, whose sum is σ = 402220500. Its totient is φ = 402220498.

The previous prime is 402220487. The next prime is 402220529. The reversal of 402220499 is 994022204.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402220499 is a prime.

It is not a weakly prime, because it can be changed into another prime (402220439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201110249 + 201110250.

It is an arithmetic number, because the mean of its divisors is an integer number (201110250).

Almost surely, 2^402220499 is an apocalyptic number.

402220499 is a deficient number, since it is larger than the sum of its proper divisors (1).

402220499 is an equidigital number, since it uses as much as digits as its factorization.

402220499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 402220499 is about 20055.4356472254. The cubic root of 402220499 is about 738.1671826697.

The spelling of 402220499 in words is "four hundred two million, two hundred twenty thousand, four hundred ninety-nine".