1722249088 has 32 divisors (see below), whose sum is σ = 3921194160. Its totient is φ = 738106368.

The previous prime is 1722249047. The next prime is 1722249103. The reversal of 1722249088 is 8809422271.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×1722249088² = 5932283842233663488, which contains 22 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, 960181 + ... + 961972.

Almost surely, 2^1722249088 is an apocalyptic number.

It is an amenable number.

1722249088 is an abundant number, since it is smaller than the sum of its proper divisors (2198945072).

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

1722249088 is an equidigital number, since it uses as much as digits as its factorization.

1722249088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1922174 (or 1922162 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 43.

The square root of 1722249088 is about 41499.9890120467. The cubic root of 1722249088 is about 1198.6672908235.

The spelling of 1722249088 in words is "one billion, seven hundred twenty-two million, two hundred forty-nine thousand, eighty-eight".