1478902231 has 16 divisors (see below), whose sum is σ = 1564332480. Its totient is φ = 1395313920.

The previous prime is 1478902223. The next prime is 1478902253. The reversal of 1478902231 is 1322098741.

It is a cyclic number.

It is not a de Polignac number, because 1478902231 - 2³ = 1478902223 is a prime.

It is a super-2 number, since 2×1478902231² = 4374303617713554722, 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 (1478902211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1352521 + ... + 1353613.

It is an arithmetic number, because the mean of its divisors is an integer number (97770780).

Almost surely, 2^1478902231 is an apocalyptic number.

1478902231 is a deficient number, since it is larger than the sum of its proper divisors (85430249).

1478902231 is a wasteful number, since it uses less digits than its factorization.

1478902231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1866.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 1478902231 is about 38456.4979034753. The cubic root of 1478902231 is about 1139.3220117079.

The spelling of 1478902231 in words is "one billion, four hundred seventy-eight million, nine hundred two thousand, two hundred thirty-one".