722262566 has 8 divisors (see below), whose sum is σ = 1085319864. Its totient is φ = 360489280.

The previous prime is 722262559. The next prime is 722262571. The reversal of 722262566 is 665262227.

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

It is a super-3 number, since 3×722262566³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319595 + ... + 321846.

It is an arithmetic number, because the mean of its divisors is an integer number (135664983).

Almost surely, 2^722262566 is an apocalyptic number.

722262566 is a deficient number, since it is larger than the sum of its proper divisors (363057298).

722262566 is a wasteful number, since it uses less digits than its factorization.

722262566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642006.

The product of its digits is 120960, while the sum is 38.

The square root of 722262566 is about 26874.9430883118. The cubic root of 722262566 is about 897.2188077907.

The spelling of 722262566 in words is "seven hundred twenty-two million, two hundred sixty-two thousand, five hundred sixty-six".