1225231 has 8 divisors (see below), whose sum is σ = 1414944. Its totient is φ = 1039200.

The previous prime is 1225223. The next prime is 1225261. The reversal of 1225231 is 1325221.

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

It is a cyclic number.

It is not a de Polignac number, because 1225231 - 2³ = 1225223 is a prime.

It is a super-2 number, since 2×1225231² = 3002382006722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160 + ... + 1573.

It is an arithmetic number, because the mean of its divisors is an integer number (176868).

2^1225231 is an apocalyptic number.

1225231 is a deficient number, since it is larger than the sum of its proper divisors (189713).

1225231 is a wasteful number, since it uses less digits than its factorization.

1225231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1841.

The product of its digits is 120, while the sum is 16.

The square root of 1225231 is about 1106.9015313026. The cubic root of 1225231 is about 107.0054732694.

The spelling of 1225231 in words is "one million, two hundred twenty-five thousand, two hundred thirty-one".