2240221653 has 6 divisors (see below), whose sum is σ = 3235875734. Its totient is φ = 1493481096.

The previous prime is 2240221601. The next prime is 2240221679. The reversal of 2240221653 is 3561220422.

It is a happy number.

2240221653 is a `hidden beast` number, since 2 + 2 + 4 + 0 + 2 + 2 + 1 + 653 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1183841649 + 1056380004 = 34407^2 + 32502^2 .

It is not a de Polignac number, because 2240221653 - 2⁶ = 2240221589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240223653) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 124456750 + ... + 124456767.

Almost surely, 2^2240221653 is an apocalyptic number.

It is an amenable number.

2240221653 is a deficient number, since it is larger than the sum of its proper divisors (995654081).

2240221653 is a wasteful number, since it uses less digits than its factorization.

2240221653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248913523 (or 248913520 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 2240221653 is about 47330.9798440725. The cubic root of 2240221653 is about 1308.4696798937.

The spelling of 2240221653 in words is "two billion, two hundred forty million, two hundred twenty-one thousand, six hundred fifty-three".