2721650022 has 324 divisors, whose sum is σ = 8079226740. Its totient is φ = 658082880.

The previous prime is 2721650017. The next prime is 2721650047. The reversal of 2721650022 is 2200561272.

2721650022 is a `hidden beast` number, since 2 + 7 + 2 + 1 + 650 + 0 + 2 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 161 ways as a sum of consecutive naturals, for example, 87795147 + ... + 87795177.

It is an arithmetic number, because the mean of its divisors is an integer number (24935885).

Almost surely, 2^2721650022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2721650022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4039613370).

2721650022 is an abundant number, since it is smaller than the sum of its proper divisors (5357576718).

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

2721650022 is a wasteful number, since it uses less digits than its factorization.

2721650022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 2721650022 is about 52169.4357071264. The cubic root of 2721650022 is about 1396.1886165754.

The spelling of 2721650022 in words is "two billion, seven hundred twenty-one million, six hundred fifty thousand, twenty-two".