2254254021 has 12 divisors (see below), whose sum is σ = 3295376448. Its totient is φ = 1484729064.

The previous prime is 2254254011. The next prime is 2254254073. The reversal of 2254254021 is 1204524522.

2254254021 is a `hidden beast` number, since 2 + 254 + 2 + 5 + 402 + 1 = 666.

It is not a de Polignac number, because 2254254021 - 2⁷ = 2254253893 is a prime.

It is a super-2 number, since 2×2254254021² = 10163322382389336882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2254254011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1508125 + ... + 1509618.

It is an arithmetic number, because the mean of its divisors is an integer number (274614704).

Almost surely, 2^2254254021 is an apocalyptic number.

It is an amenable number.

2254254021 is a deficient number, since it is larger than the sum of its proper divisors (1041122427).

2254254021 is a wasteful number, since it uses less digits than its factorization.

2254254021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3017832 (or 3017829 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 2254254021 is about 47478.9850460180. The cubic root of 2254254021 is about 1311.1960060016.

Adding to 2254254021 its reverse (1204524522), we get a palindrome (3458778543).

The spelling of 2254254021 in words is "two billion, two hundred fifty-four million, two hundred fifty-four thousand, twenty-one".