722413237 has 8 divisors (see below), whose sum is σ = 889124096. Its totient is φ = 571579632.

The previous prime is 722413213. The next prime is 722413253. The reversal of 722413237 is 732314227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 722413237 - 2¹⁹ = 721888949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 722413199 and 722413208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722413207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3969213 + ... + 3969394.

It is an arithmetic number, because the mean of its divisors is an integer number (111140512).

Almost surely, 2^722413237 is an apocalyptic number.

It is an amenable number.

722413237 is a deficient number, since it is larger than the sum of its proper divisors (166710859).

722413237 is a wasteful number, since it uses less digits than its factorization.

722413237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7938627.

The product of its digits is 14112, while the sum is 31.

The square root of 722413237 is about 26877.7461294655. The cubic root of 722413237 is about 897.2811929777.

The spelling of 722413237 in words is "seven hundred twenty-two million, four hundred thirteen thousand, two hundred thirty-seven".