2231455 has 16 divisors (see below), whose sum is σ = 2862720. Its totient is φ = 1664928.

The previous prime is 2231447. The next prime is 2231461. The reversal of 2231455 is 5541322.

It is a cyclic number.

It is not a de Polignac number, because 2231455 - 2³ = 2231447 is a prime.

It is a super-3 number, since 3×2231455³ = 33333863623432564125, which contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7744 + ... + 8026.

It is an arithmetic number, because the mean of its divisors is an integer number (178920).

2^2231455 is an apocalyptic number.

2231455 is a deficient number, since it is larger than the sum of its proper divisors (631265).

2231455 is a wasteful number, since it uses less digits than its factorization.

2231455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390.

The product of its digits is 1200, while the sum is 22.

The square root of 2231455 is about 1493.8055429004. The cubic root of 2231455 is about 130.6760638401.

Adding to 2231455 its reverse (5541322), we get a palindrome (7772777).

The spelling of 2231455 in words is "two million, two hundred thirty-one thousand, four hundred fifty-five".