2472222457 has 4 divisors (see below), whose sum is σ = 2512750756. Its totient is φ = 2431694160.

The previous prime is 2472222407. The next prime is 2472222461. The reversal of 2472222457 is 7542222742.

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 246364416 + 2225858041 = 15696^2 + 47179^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2472222457 is a prime.

It is a super-2 number, since 2×2472222457² = 12223767753790233698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2472222407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20264058 + ... + 20264179.

It is an arithmetic number, because the mean of its divisors is an integer number (628187689).

Almost surely, 2^2472222457 is an apocalyptic number.

It is an amenable number.

2472222457 is a deficient number, since it is larger than the sum of its proper divisors (40528299).

2472222457 is an equidigital number, since it uses as much as digits as its factorization.

2472222457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40528298.

The product of its digits is 125440, while the sum is 37.

The square root of 2472222457 is about 49721.4486615183. The cubic root of 2472222457 is about 1352.1634186255.

The spelling of 2472222457 in words is "two billion, four hundred seventy-two million, two hundred twenty-two thousand, four hundred fifty-seven".