2554224157 has 4 divisors (see below), whose sum is σ = 2558474716. Its totient is φ = 2549973600.

The previous prime is 2554224139. The next prime is 2554224161. The reversal of 2554224157 is 7514224552.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1891728036 + 662496121 = 43494^2 + 25739^2 .

It is a cyclic number.

It is not a de Polignac number, because 2554224157 - 2¹⁵ = 2554191389 is a prime.

It is a super-2 number, since 2×2554224157² = 13048122088404721298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2554224187) 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 3 ways as a sum of consecutive naturals, for example, 2124378 + ... + 2125579.

It is an arithmetic number, because the mean of its divisors is an integer number (639618679).

Almost surely, 2^2554224157 is an apocalyptic number.

It is an amenable number.

2554224157 is a deficient number, since it is larger than the sum of its proper divisors (4250559).

2554224157 is an equidigital number, since it uses as much as digits as its factorization.

2554224157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4250558.

The product of its digits is 112000, while the sum is 37.

The square root of 2554224157 is about 50539.3327716146. The cubic root of 2554224157 is about 1366.9511750794.

The spelling of 2554224157 in words is "two billion, five hundred fifty-four million, two hundred twenty-four thousand, one hundred fifty-seven".