749226355 has 4 divisors (see below), whose sum is σ = 899071632. Its totient is φ = 599381080.

The previous prime is 749226353. The next prime is 749226371. The reversal of 749226355 is 553622947.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 749226355 - 2¹ = 749226353 is a prime.

It is a super-2 number, since 2×749226355² = 1122680262053172050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (749226353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74922631 + ... + 74922640.

It is an arithmetic number, because the mean of its divisors is an integer number (224767908).

Almost surely, 2^749226355 is an apocalyptic number.

749226355 is a deficient number, since it is larger than the sum of its proper divisors (149845277).

749226355 is a wasteful number, since it uses less digits than its factorization.

749226355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149845276.

The product of its digits is 453600, while the sum is 43.

The square root of 749226355 is about 27371.9994702616. Note that the first 3 decimals coincide. The cubic root of 749226355 is about 908.2477875463.

The spelling of 749226355 in words is "seven hundred forty-nine million, two hundred twenty-six thousand, three hundred fifty-five".