722469 has 8 divisors (see below), whose sum is σ = 1050912. Its totient is φ = 437840.

The previous prime is 722467. The next prime is 722479. The reversal of 722469 is 964227.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 722469 - 2¹ = 722467 is a prime.

It is a super-2 number, since 2×722469² = 1043922911922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722467) 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, 10914 + ... + 10979.

It is an arithmetic number, because the mean of its divisors is an integer number (131364).

2⁷²²⁴⁶⁹ is an apocalyptic number.

It is an amenable number.

722469 is a deficient number, since it is larger than the sum of its proper divisors (328443).

722469 is a wasteful number, since it uses less digits than its factorization.

722469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21907.

The product of its digits is 6048, while the sum is 30.

The square root of 722469 is about 849.9817645103. The cubic root of 722469 is about 89.7304279397.

The spelling of 722469 in words is "seven hundred twenty-two thousand, four hundred sixty-nine".