2253222421 has 2 divisors, whose sum is σ = 2253222422. Its totient is φ = 2253222420.

The previous prime is 2253222397. The next prime is 2253222427. The reversal of 2253222421 is 1242223522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2076624900 + 176597521 = 45570^2 + 13289^2 .

It is a cyclic number.

It is not a de Polignac number, because 2253222421 - 2¹⁷ = 2253091349 is a prime.

It is a super-2 number, since 2×2253222421² = 10154022556994202482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2253222427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1126611210 + 1126611211.

It is an arithmetic number, because the mean of its divisors is an integer number (1126611211).

Almost surely, 2^2253222421 is an apocalyptic number.

It is an amenable number.

2253222421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2253222421 is an equidigital number, since it uses as much as digits as its factorization.

2253222421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3840, while the sum is 25.

The square root of 2253222421 is about 47468.1200491446. The cubic root of 2253222421 is about 1310.9959640407.

Adding to 2253222421 its reverse (1242223522), we get a palindrome (3495445943).

The spelling of 2253222421 in words is "two billion, two hundred fifty-three million, two hundred twenty-two thousand, four hundred twenty-one".