84922731 has 6 divisors (see below), whose sum is σ = 122666180. Its totient is φ = 56615148.

The previous prime is 84922729. The next prime is 84922751. The reversal of 84922731 is 13722948.

It is not a de Polignac number, because 84922731 - 2¹ = 84922729 is a prime.

It is a super-2 number, since 2×84922731² = 14423740480996722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84922751) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4717921 + ... + 4717938.

Almost surely, 2^84922731 is an apocalyptic number.

84922731 is a deficient number, since it is larger than the sum of its proper divisors (37743449).

84922731 is a wasteful number, since it uses less digits than its factorization.

84922731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9435865 (or 9435862 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 84922731 is about 9215.3530046331. The cubic root of 84922731 is about 439.5496959883.

The spelling of 84922731 in words is "eighty-four million, nine hundred twenty-two thousand, seven hundred thirty-one".