1402220500 has 96 divisors (see below), whose sum is σ = 3183511968. Its totient is φ = 539136000.

The previous prime is 1402220483. The next prime is 1402220549. The reversal of 1402220500 is 50222041.

1402220500 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 16 ways, for example, as 1399059216 + 3161284 = 37404^2 + 1778^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1496032 + ... + 1496968.

It is an arithmetic number, because the mean of its divisors is an integer number (33161583).

Almost surely, 2^1402220500 is an apocalyptic number.

1402220500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1402220500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1591755984).

1402220500 is an abundant number, since it is smaller than the sum of its proper divisors (1781291468).

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

1402220500 is a wasteful number, since it uses less digits than its factorization.

1402220500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070 (or 1058 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 1402220500 is about 37446.2347906969. The cubic root of 1402220500 is about 1119.2800698573.

Adding to 1402220500 its reverse (50222041), we get a palindrome (1452442541).

The spelling of 1402220500 in words is "one billion, four hundred two million, two hundred twenty thousand, five hundred".