2235740621 has 16 divisors (see below), whose sum is σ = 2393050560. Its totient is φ = 2082516480.

The previous prime is 2235740593. The next prime is 2235740623. The reversal of 2235740621 is 1260475322.

It is a cyclic number.

It is not a de Polignac number, because 2235740621 - 2¹⁸ = 2235478477 is a prime.

It is a super-2 number, since 2×2235740621² = 9997072248778931282, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2235740623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 840125 + ... + 842781.

It is an arithmetic number, because the mean of its divisors is an integer number (149565660).

Almost surely, 2^2235740621 is an apocalyptic number.

It is an amenable number.

2235740621 is a deficient number, since it is larger than the sum of its proper divisors (157309939).

2235740621 is a wasteful number, since it uses less digits than its factorization.

2235740621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3404.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 2235740621 is about 47283.6189499070. The cubic root of 2235740621 is about 1307.5966698167.

The spelling of 2235740621 in words is "two billion, two hundred thirty-five million, seven hundred forty thousand, six hundred twenty-one".