2254215331 has 4 divisors (see below), whose sum is σ = 2275282872. Its totient is φ = 2233147792.

The previous prime is 2254215323. The next prime is 2254215377. The reversal of 2254215331 is 1335124522.

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

It is a cyclic number.

It is not a de Polignac number, because 2254215331 - 2³ = 2254215323 is a prime.

It is a super-2 number, since 2×2254215331² = 10162973517030879122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2254215331.

It is not an unprimeable number, because it can be changed into a prime (2254215031) 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, 10533610 + ... + 10533823.

It is an arithmetic number, because the mean of its divisors is an integer number (568820718).

Almost surely, 2^2254215331 is an apocalyptic number.

2254215331 is a deficient number, since it is larger than the sum of its proper divisors (21067541).

2254215331 is a wasteful number, since it uses less digits than its factorization.

2254215331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21067540.

The product of its digits is 7200, while the sum is 28.

The square root of 2254215331 is about 47478.5776008507. The cubic root of 2254215331 is about 1311.1885045601.

Adding to 2254215331 its reverse (1335124522), we get a palindrome (3589339853).

It can be divided in two parts, 22542 and 15331, that added together give a palindrome (37873).

The spelling of 2254215331 in words is "two billion, two hundred fifty-four million, two hundred fifteen thousand, three hundred thirty-one".