402102022 has 8 divisors (see below), whose sum is σ = 689317776. Its totient is φ = 172329432.

The previous prime is 402101989. The next prime is 402102053. The reversal of 402102022 is 220201204.

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 = 402101993 and 402102011.

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, 14360773 + ... + 14360800.

It is an arithmetic number, because the mean of its divisors is an integer number (86164722).

Almost surely, 2^402102022 is an apocalyptic number.

402102022 is a deficient number, since it is larger than the sum of its proper divisors (287215754).

402102022 is a wasteful number, since it uses less digits than its factorization.

402102022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28721582.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 402102022 is about 20052.4816918006. The cubic root of 402102022 is about 738.0946980319.

Adding to 402102022 its reverse (220201204), we get a palindrome (622303226).

The spelling of 402102022 in words is "four hundred two million, one hundred two thousand, twenty-two".