402284135722 has 16 divisors (see below), whose sum is σ = 689639662080. Its totient is φ = 172405057968.

The previous prime is 402284135651. The next prime is 402284135801. The reversal of 402284135722 is 227531482204.

It is a super-2 number, since 2×402284135722² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1128804 + ... + 1441792.

It is an arithmetic number, because the mean of its divisors is an integer number (43102478880).

Almost surely, 2^402284135722 is an apocalyptic number.

402284135722 is a deficient number, since it is larger than the sum of its proper divisors (287355526358).

402284135722 is a wasteful number, since it uses less digits than its factorization.

402284135722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404805.

The product of its (nonzero) digits is 215040, while the sum is 40.

The spelling of 402284135722 in words is "four hundred two billion, two hundred eighty-four million, one hundred thirty-five thousand, seven hundred twenty-two".