749222941 has 2 divisors, whose sum is σ = 749222942. Its totient is φ = 749222940.

The previous prime is 749222939. The next prime is 749222951. The reversal of 749222941 is 149222947.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 459202041 + 290020900 = 21429^2 + 17030^2 .

It is a cyclic number.

It is not a de Polignac number, because 749222941 - 2¹ = 749222939 is a prime.

It is a super-2 number, since 2×749222941² = 1122670030641378962, which contains 22 as substring.

Together with 749222939, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 749222894 and 749222903.

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, 374611470 + 374611471.

It is an arithmetic number, because the mean of its divisors is an integer number (374611471).

Almost surely, 2^749222941 is an apocalyptic number.

It is an amenable number.

749222941 is a deficient number, since it is larger than the sum of its proper divisors (1).

749222941 is an equidigital number, since it uses as much as digits as its factorization.

749222941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 40.

The square root of 749222941 is about 27371.9371071906. The cubic root of 749222941 is about 908.2464080066.

The spelling of 749222941 in words is "seven hundred forty-nine million, two hundred twenty-two thousand, nine hundred forty-one".