1722228460 has 12 divisors (see below), whose sum is σ = 3616679808. Its totient is φ = 688891376.

The previous prime is 1722228439. The next prime is 1722228461. The reversal of 1722228460 is 648222271.

It is not an unprimeable number, because it can be changed into a prime (1722228461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43055692 + ... + 43055731.

It is an arithmetic number, because the mean of its divisors is an integer number (301389984).

Almost surely, 2^1722228460 is an apocalyptic number.

1722228460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1722228460 is an abundant number, since it is smaller than the sum of its proper divisors (1894451348).

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

1722228460 is a wasteful number, since it uses less digits than its factorization.

1722228460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86111432 (or 86111430 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 1722228460 is about 41499.7404811163. The cubic root of 1722228460 is about 1198.6625051806.

The spelling of 1722228460 in words is "one billion, seven hundred twenty-two million, two hundred twenty-eight thousand, four hundred sixty".