2253334221 has 10 divisors (see below), whose sum is σ = 3366091982. Its totient is φ = 1502222760.

The previous prime is 2253334217. The next prime is 2253334229. The reversal of 2253334221 is 1224333522.

2253334221 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2048558121 + 204776100 = 45261^2 + 14310^2 .

It is not a de Polignac number, because 2253334221 - 2² = 2253334217 is a prime.

It is a super-2 number, since 2×2253334221² = 10155030223059353682, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2253334229) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 13909390 + ... + 13909551.

Almost surely, 2^2253334221 is an apocalyptic number.

It is an amenable number.

2253334221 is a deficient number, since it is larger than the sum of its proper divisors (1112757761).

2253334221 is an equidigital number, since it uses as much as digits as its factorization.

2253334221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27818953 (or 27818944 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 2253334221 is about 47469.2976670184. The cubic root of 2253334221 is about 1311.0176466057.

Adding to 2253334221 its reverse (1224333522), we get a palindrome (3477667743).

The spelling of 2253334221 in words is "two billion, two hundred fifty-three million, three hundred thirty-four thousand, two hundred twenty-one".