2722493181 has 32 divisors (see below), whose sum is σ = 3730636800. Its totient is φ = 1765595520.

The previous prime is 2722493177. The next prime is 2722493183. The reversal of 2722493181 is 1813942272.

It is not a de Polignac number, because 2722493181 - 2² = 2722493177 is a prime.

It is a super-2 number, since 2×2722493181² = 14823938241182997522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2722493183) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6201360 + ... + 6201798.

It is an arithmetic number, because the mean of its divisors is an integer number (116582400).

Almost surely, 2^2722493181 is an apocalyptic number.

It is an amenable number.

2722493181 is a deficient number, since it is larger than the sum of its proper divisors (1008143619).

2722493181 is a wasteful number, since it uses less digits than its factorization.

2722493181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849.

The product of its digits is 48384, while the sum is 39.

The square root of 2722493181 is about 52177.5160485817. The cubic root of 2722493181 is about 1396.3327800356.

The spelling of 2722493181 in words is "two billion, seven hundred twenty-two million, four hundred ninety-three thousand, one hundred eighty-one".