722949227 has 24 divisors (see below), whose sum is σ = 978041568. Its totient is φ = 519995520.

The previous prime is 722949223. The next prime is 722949251.

722949227 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 722949227 - 2² = 722949223 is a prime.

It is a super-3 number, since 3×722949227³ (a number of 28 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (722949223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21818 + ... + 43839.

It is an arithmetic number, because the mean of its divisors is an integer number (40751732).

Almost surely, 2^722949227 is an apocalyptic number.

722949227 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

722949227 is a deficient number, since it is larger than the sum of its proper divisors (255092341).

722949227 is a wasteful number, since it uses less digits than its factorization.

722949227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65699 (or 65688 counting only the distinct ones).

The product of its digits is 254016, while the sum is 44.

The square root of 722949227 is about 26887.7151688276. The cubic root of 722949227 is about 897.5030488487.

It can be divided in two parts, 722 and 949227, that added together give a palindrome (949949).

The spelling of 722949227 in words is "seven hundred twenty-two million, nine hundred forty-nine thousand, two hundred twenty-seven".