107222731 has 12 divisors (see below), whose sum is σ = 136068120. Its totient is φ = 83549760.

The previous prime is 107222683. The next prime is 107222737. The reversal of 107222731 is 137222701.

It is a de Polignac number, because none of the positive numbers 2^k-107222731 is a prime.

It is a super-2 number, since 2×107222731² = 22993428086196722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 107222696 and 107222705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107222737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98926 + ... + 100003.

It is an arithmetic number, because the mean of its divisors is an integer number (11339010).

Almost surely, 2^107222731 is an apocalyptic number.

107222731 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

107222731 is a deficient number, since it is larger than the sum of its proper divisors (28845389).

107222731 is a wasteful number, since it uses less digits than its factorization.

107222731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198954 (or 198947 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 107222731 is about 10354.8409451811. The cubic root of 107222731 is about 475.0751216368.

The spelling of 107222731 in words is "one hundred seven million, two hundred twenty-two thousand, seven hundred thirty-one".