1402231215 has 64 divisors (see below), whose sum is σ = 2887483392. Its totient is φ = 563932800.

The previous prime is 1402231189. The next prime is 1402231219. The reversal of 1402231215 is 5121322041.

It is not a de Polignac number, because 1402231215 - 2⁵ = 1402231183 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1402231191 and 1402231200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402231219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16224 + ... + 55386.

It is an arithmetic number, because the mean of its divisors is an integer number (45116928).

Almost surely, 2^1402231215 is an apocalyptic number.

1402231215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1402231215 is an abundant number, since it is smaller than the sum of its proper divisors (1485252177).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1402231215 is a wasteful number, since it uses less digits than its factorization.

1402231215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39220.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1402231215 is about 37446.3778622179. The cubic root of 1402231215 is about 1119.2829208249.

Adding to 1402231215 its reverse (5121322041), we get a palindrome (6523553256).

The spelling of 1402231215 in words is "one billion, four hundred two million, two hundred thirty-one thousand, two hundred fifteen".