802145722 has 16 divisors (see below), whose sum is σ = 1375664832. Its totient is φ = 343637280.

The previous prime is 802145711. The next prime is 802145753. The reversal of 802145722 is 227541208.

It is a happy number.

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, 29022 + ... + 49462.

It is an arithmetic number, because the mean of its divisors is an integer number (85979052).

Almost surely, 2^802145722 is an apocalyptic number.

802145722 is a deficient number, since it is larger than the sum of its proper divisors (573519110).

802145722 is a wasteful number, since it uses less digits than its factorization.

802145722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23253.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 802145722 is about 28322.1772115069. The cubic root of 802145722 is about 929.1469890698.

The spelling of 802145722 in words is "eight hundred two million, one hundred forty-five thousand, seven hundred twenty-two".