2252428491 has 4 divisors (see below), whose sum is σ = 3003237992. Its totient is φ = 1501618992.

The previous prime is 2252428471. The next prime is 2252428499. The reversal of 2252428491 is 1948242522.

It is a happy number.

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

It is not a de Polignac number, because 2252428491 - 2⁷ = 2252428363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2252428499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375404746 + ... + 375404751.

It is an arithmetic number, because the mean of its divisors is an integer number (750809498).

Almost surely, 2^2252428491 is an apocalyptic number.

2252428491 is a deficient number, since it is larger than the sum of its proper divisors (750809501).

2252428491 is an equidigital number, since it uses as much as digits as its factorization.

2252428491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750809500.

The product of its digits is 92160, while the sum is 39.

The square root of 2252428491 is about 47459.7565417270. The cubic root of 2252428491 is about 1310.8419681032.

It can be divided in two parts, 22524 and 28491, that added together give a palindrome (51015).

The spelling of 2252428491 in words is "two billion, two hundred fifty-two million, four hundred twenty-eight thousand, four hundred ninety-one".