1402233220 has 24 divisors (see below), whose sum is σ = 2950565184. Its totient is φ = 559774176.

The previous prime is 1402233211. The next prime is 1402233221. The reversal of 1402233220 is 223322041.

It is not an unprimeable number, because it can be changed into a prime (1402233221) 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, 59634 + ... + 79753.

It is an arithmetic number, because the mean of its divisors is an integer number (122940216).

Almost surely, 2^1402233220 is an apocalyptic number.

1402233220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1402233220 is an abundant number, since it is smaller than the sum of its proper divisors (1548331964).

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

1402233220 is a wasteful number, since it uses less digits than its factorization.

1402233220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139899 (or 139897 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1402233220 is about 37446.4046338230. The cubic root of 1402233220 is about 1119.2834542988.

Adding to 1402233220 its reverse (223322041), we get a palindrome (1625555261).

The spelling of 1402233220 in words is "one billion, four hundred two million, two hundred thirty-three thousand, two hundred twenty".