5651222731 has 8 divisors (see below), whose sum is σ = 7045680384. Its totient is φ = 4403550120.

The previous prime is 5651222729. The next prime is 5651222761. The reversal of 5651222731 is 1372221565.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5651222731 - 2¹ = 5651222729 is a prime.

It is a super-2 number, since 2×5651222731² = 63872636710742196722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5651222711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36696175 + ... + 36696328.

It is an arithmetic number, because the mean of its divisors is an integer number (880710048).

Almost surely, 2^5651222731 is an apocalyptic number.

5651222731 is a deficient number, since it is larger than the sum of its proper divisors (1394457653).

5651222731 is a wasteful number, since it uses less digits than its factorization.

5651222731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73392521.

The product of its digits is 25200, while the sum is 34.

The square root of 5651222731 is about 75174.6149374907. The cubic root of 5651222731 is about 1781.2059675731.

The spelling of 5651222731 in words is "five billion, six hundred fifty-one million, two hundred twenty-two thousand, seven hundred thirty-one".