402022030 has 8 divisors (see below), whose sum is σ = 723639672. Its totient is φ = 160808808.

The previous prime is 402022009. The next prime is 402022091. The reversal of 402022030 is 30220204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 402022030.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 20101092 + ... + 20101111.

It is an arithmetic number, because the mean of its divisors is an integer number (90454959).

Almost surely, 2^402022030 is an apocalyptic number.

402022030 is a deficient number, since it is larger than the sum of its proper divisors (321617642).

402022030 is a wasteful number, since it uses less digits than its factorization.

402022030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40202210.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 402022030 is about 20050.4870265039. The cubic root of 402022030 is about 738.0457505978.

Adding to 402022030 its reverse (30220204), we get a palindrome (432242234).

The spelling of 402022030 in words is "four hundred two million, twenty-two thousand, thirty".