2251431214 has 8 divisors (see below), whose sum is σ = 3383322408. Its totient is φ = 1123657080.

The previous prime is 2251431187. The next prime is 2251431251. The reversal of 2251431214 is 4121341522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2251431214² = 10137885022747027592, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1027897 + ... + 1030084.

It is an arithmetic number, because the mean of its divisors is an integer number (422915301).

Almost surely, 2^2251431214 is an apocalyptic number.

2251431214 is a deficient number, since it is larger than the sum of its proper divisors (1131891194).

2251431214 is a wasteful number, since it uses less digits than its factorization.

2251431214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2058530.

The product of its digits is 1920, while the sum is 25.

The square root of 2251431214 is about 47449.2488244018. The cubic root of 2251431214 is about 1310.6484783457.

Adding to 2251431214 its reverse (4121341522), we get a palindrome (6372772736).

The spelling of 2251431214 in words is "two billion, two hundred fifty-one million, four hundred thirty-one thousand, two hundred fourteen".