2220974731 has 2 divisors, whose sum is σ = 2220974732. Its totient is φ = 2220974730.

The previous prime is 2220974719. The next prime is 2220974753. The reversal of 2220974731 is 1374790222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2220974731 - 2¹⁹ = 2220450443 is a prime.

It is a super-2 number, since 2×2220974731² = 9865457511481044722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2220974761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110487365 + 1110487366.

It is an arithmetic number, because the mean of its divisors is an integer number (1110487366).

Almost surely, 2^2220974731 is an apocalyptic number.

2220974731 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220974731 is an equidigital number, since it uses as much as digits as its factorization.

2220974731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 2220974731 is about 47127.2185790759. The cubic root of 2220974731 is about 1304.7116465311.

The spelling of 2220974731 in words is "two billion, two hundred twenty million, nine hundred seventy-four thousand, seven hundred thirty-one".