2221409592 has 48 divisors (see below), whose sum is σ = 6028766640. Its totient is φ = 738937728.

The previous prime is 2221409591. The next prime is 2221409609. The reversal of 2221409592 is 2959041222.

2221409592 is a `hidden beast` number, since 2 + 2 + 21 + 40 + 9 + 592 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221409591) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3388 + ... + 66740.

It is an arithmetic number, because the mean of its divisors is an integer number (125599305).

Almost surely, 2^2221409592 is an apocalyptic number.

It is an amenable number.

2221409592 is an abundant number, since it is smaller than the sum of its proper divisors (3807357048).

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

2221409592 is a wasteful number, since it uses less digits than its factorization.

2221409592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63852 (or 63845 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 2221409592 is about 47131.8320458690. The cubic root of 2221409592 is about 1304.7967940082.

The spelling of 2221409592 in words is "two billion, two hundred twenty-one million, four hundred nine thousand, five hundred ninety-two".