402022022 has 8 divisors (see below), whose sum is σ = 611526672. Its totient is φ = 198179800.

The previous prime is 402022009. The next prime is 402022091. The reversal of 402022022 is 220220204.

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

It is a junction number, because it is equal to n+sod(n) for n = 402021988 and 402022006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1415429 + ... + 1415712.

It is an arithmetic number, because the mean of its divisors is an integer number (76440834).

Almost surely, 2^402022022 is an apocalyptic number.

402022022 is a deficient number, since it is larger than the sum of its proper divisors (209504650).

402022022 is a wasteful number, since it uses less digits than its factorization.

402022022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2831214.

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 402022022 is about 20050.4868270075. The cubic root of 402022022 is about 738.0457457022.

Adding to 402022022 its reverse (220220204), we get a palindrome (622242226).

It can be divided in two parts, 40202 and 2022, that added together give a palindrome (42224).

The spelling of 402022022 in words is "four hundred two million, twenty-two thousand, twenty-two".