1401002224 has 20 divisors (see below), whose sum is σ = 2715396640. Its totient is φ = 700254720.

The previous prime is 1401002201. The next prime is 1401002261. The reversal of 1401002224 is 4222001041.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1401002198 and 1401002207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36889 + ... + 64519.

It is an arithmetic number, because the mean of its divisors is an integer number (135769832).

Almost surely, 2^1401002224 is an apocalyptic number.

It is an amenable number.

1401002224 is a deficient number, since it is larger than the sum of its proper divisors (1314394416).

1401002224 is a wasteful number, since it uses less digits than its factorization.

1401002224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30808 (or 30802 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1401002224 is about 37429.9642532557. The cubic root of 1401002224 is about 1118.9558252890.

Adding to 1401002224 its reverse (4222001041), we get a palindrome (5623003265).

The spelling of 1401002224 in words is "one billion, four hundred one million, two thousand, two hundred twenty-four".