402220413 has 24 divisors (see below), whose sum is σ = 664612416. Its totient is φ = 229622400.

The previous prime is 402220387. The next prime is 402220439. The reversal of 402220413 is 314022204.

402220413 is a `hidden beast` number, since 402 + 220 + 41 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (402220387) and next prime (402220439).

It is not a de Polignac number, because 402220413 - 2⁶ = 402220349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402220463) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83398 + ... + 88088.

It is an arithmetic number, because the mean of its divisors is an integer number (27692184).

Almost surely, 2^402220413 is an apocalyptic number.

It is an amenable number.

402220413 is a deficient number, since it is larger than the sum of its proper divisors (262392003).

402220413 is a wasteful number, since it uses less digits than its factorization.

402220413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6065 (or 6062 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 402220413 is about 20055.4335031682. The cubic root of 402220413 is about 738.1671300598.

Adding to 402220413 its reverse (314022204), we get a palindrome (716242617).

The spelling of 402220413 in words is "four hundred two million, two hundred twenty thousand, four hundred thirteen".