402022622 has 8 divisors (see below), whose sum is σ = 609004872. Its totient is φ = 199021000.

The previous prime is 402022619. The next prime is 402022669. The reversal of 402022622 is 226220204.

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 = 402022594 and 402022603.

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, 994904 + ... + 995307.

It is an arithmetic number, because the mean of its divisors is an integer number (76125609).

Almost surely, 2^402022622 is an apocalyptic number.

402022622 is a deficient number, since it is larger than the sum of its proper divisors (206982250).

402022622 is a wasteful number, since it uses less digits than its factorization.

402022622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1990314.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 402022622 is about 20050.5017892321. The cubic root of 402022622 is about 738.0461128689.

Adding to 402022622 its reverse (226220204), we get a palindrome (628242826).

It can be divided in two parts, 40202 and 2622, that added together give a palindrome (42824).

The spelling of 402022622 in words is "four hundred two million, twenty-two thousand, six hundred twenty-two".