1722672222 has 16 divisors (see below), whose sum is σ = 3445785360. Its totient is φ = 574150592.

The previous prime is 1722672209. The next prime is 1722672227. The reversal of 1722672222 is 2222762271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1722672227) 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, 54904 + ... + 80372.

It is an arithmetic number, because the mean of its divisors is an integer number (215361585).

Almost surely, 2^1722672222 is an apocalyptic number.

1722672222 is an abundant number, since it is smaller than the sum of its proper divisors (1723113138).

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

1722672222 is a wasteful number, since it uses less digits than its factorization.

1722672222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36747.

The product of its digits is 18816, while the sum is 33.

The square root of 1722672222 is about 41505.0867003070. The cubic root of 1722672222 is about 1198.7654483931.

The spelling of 1722672222 in words is "one billion, seven hundred twenty-two million, six hundred seventy-two thousand, two hundred twenty-two".