1401432224 has 24 divisors (see below), whose sum is σ = 2761244640. Its totient is φ = 700163776.

The previous prime is 1401432223. The next prime is 1401432257. The reversal of 1401432224 is 4222341041.

It is a self number, because there is not a number n which added to its sum of digits gives 1401432224.

It is not an unprimeable number, because it can be changed into a prime (1401432223) 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, 25607 + ... + 58809.

It is an arithmetic number, because the mean of its divisors is an integer number (115051860).

Almost surely, 2^1401432224 is an apocalyptic number.

It is an amenable number.

1401432224 is a deficient number, since it is larger than the sum of its proper divisors (1359812416).

1401432224 is a wasteful number, since it uses less digits than its factorization.

1401432224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34532 (or 34524 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1401432224 is about 37435.7078736332. The cubic root of 1401432224 is about 1119.0702913904.

Adding to 1401432224 its reverse (4222341041), we get a palindrome (5623773265).

The spelling of 1401432224 in words is "one billion, four hundred one million, four hundred thirty-two thousand, two hundred twenty-four".