402220199 has 4 divisors (see below), whose sum is σ = 402341664. Its totient is φ = 402098736.

The previous prime is 402220171. The next prime is 402220207. The reversal of 402220199 is 991022204.

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 402220199 - 2¹⁶ = 402154663 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 (402220499) 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, 55622 + ... + 62435.

It is an arithmetic number, because the mean of its divisors is an integer number (100585416).

Almost surely, 2^402220199 is an apocalyptic number.

402220199 is a deficient number, since it is larger than the sum of its proper divisors (121465).

402220199 is a wasteful number, since it uses less digits than its factorization.

402220199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121464.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 402220199 is about 20055.4281679549. The cubic root of 402220199 is about 738.1669991467.

The spelling of 402220199 in words is "four hundred two million, two hundred twenty thousand, one hundred ninety-nine".