2225031971 has 2 divisors, whose sum is σ = 2225031972. Its totient is φ = 2225031970.

The previous prime is 2225031967. The next prime is 2225031979. The reversal of 2225031971 is 1791305222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2225031971 - 2² = 2225031967 is a prime.

It is not a weakly prime, because it can be changed into another prime (2225031979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1112515985 + 1112515986.

It is an arithmetic number, because the mean of its divisors is an integer number (1112515986).

Almost surely, 2^2225031971 is an apocalyptic number.

2225031971 is a deficient number, since it is larger than the sum of its proper divisors (1).

2225031971 is an equidigital number, since it uses as much as digits as its factorization.

2225031971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 2225031971 is about 47170.2445509879. The cubic root of 2225031971 is about 1305.5056384809.

The spelling of 2225031971 in words is "two billion, two hundred twenty-five million, thirty-one thousand, nine hundred seventy-one".