749222951 has 2 divisors, whose sum is σ = 749222952. Its totient is φ = 749222950.

The previous prime is 749222941. The next prime is 749222977. The reversal of 749222951 is 159222947.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-749222951 is a prime.

It is a super-2 number, since 2×749222951² = 1122670060610296802, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 749222899 and 749222908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (749222921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374611475 + 374611476.

It is an arithmetic number, because the mean of its divisors is an integer number (374611476).

Almost surely, 2^749222951 is an apocalyptic number.

749222951 is a deficient number, since it is larger than the sum of its proper divisors (1).

749222951 is an equidigital number, since it uses as much as digits as its factorization.

749222951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 41.

The square root of 749222951 is about 27371.9372898595. The cubic root of 749222951 is about 908.2464120474.

The spelling of 749222951 in words is "seven hundred forty-nine million, two hundred twenty-two thousand, nine hundred fifty-one".