402453222 has 64 divisors (see below), whose sum is σ = 851558400. Its totient is φ = 126640800.

The previous prime is 402453217. The next prime is 402453281. The reversal of 402453222 is 222354204.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 402453192 and 402453201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2022279 + ... + 2022477.

It is an arithmetic number, because the mean of its divisors is an integer number (13305600).

Almost surely, 2^402453222 is an apocalyptic number.

402453222 is an abundant number, since it is smaller than the sum of its proper divisors (449105178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

402453222 is a wasteful number, since it uses less digits than its factorization.

402453222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 402453222 is about 20061.2368013540. The cubic root of 402453222 is about 738.3095219756.

The spelling of 402453222 in words is "four hundred two million, four hundred fifty-three thousand, two hundred twenty-two".