2254202421 has 4 divisors (see below), whose sum is σ = 3005603232. Its totient is φ = 1502801612.

The previous prime is 2254202383. The next prime is 2254202429. The reversal of 2254202421 is 1242024522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2254202421 - 2¹¹ = 2254200373 is a prime.

It is a super-2 number, since 2×2254202421² = 10162857109684522482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2254202391 and 2254202400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2254202429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375700401 + ... + 375700406.

It is an arithmetic number, because the mean of its divisors is an integer number (751400808).

Almost surely, 2^2254202421 is an apocalyptic number.

It is an amenable number.

2254202421 is a deficient number, since it is larger than the sum of its proper divisors (751400811).

2254202421 is an equidigital number, since it uses as much as digits as its factorization.

2254202421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751400810.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 2254202421 is about 47478.4416446033. The cubic root of 2254202421 is about 1311.1860014754.

Adding to 2254202421 its reverse (1242024522), we get a palindrome (3496226943).

The spelling of 2254202421 in words is "two billion, two hundred fifty-four million, two hundred two thousand, four hundred twenty-one".