722270166 has 8 divisors (see below), whose sum is σ = 1444540344. Its totient is φ = 240756720.

The previous prime is 722270071. The next prime is 722270239. The reversal of 722270166 is 661072227.

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

722270166 is an admirable number.

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, 60189175 + ... + 60189186.

It is an arithmetic number, because the mean of its divisors is an integer number (180567543).

Almost surely, 2^722270166 is an apocalyptic number.

722270166 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

722270166 is a wasteful number, since it uses less digits than its factorization.

722270166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120378366.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 722270166 is about 26875.0844835881. The cubic root of 722270166 is about 897.2219547713.

The spelling of 722270166 in words is "seven hundred twenty-two million, two hundred seventy thousand, one hundred sixty-six".