1402567220 has 48 divisors (see below), whose sum is σ = 2980853568. Its totient is φ = 554311680.

The previous prime is 1402567219. The next prime is 1402567259. The reversal of 1402567220 is 227652041.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 672299 + ... + 674381.

It is an arithmetic number, because the mean of its divisors is an integer number (62101116).

Almost surely, 2^1402567220 is an apocalyptic number.

1402567220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1402567220 is an abundant number, since it is smaller than the sum of its proper divisors (1578286348).

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

1402567220 is a wasteful number, since it uses less digits than its factorization.

1402567220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2480 (or 2478 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 1402567220 is about 37450.8640754790. The cubic root of 1402567220 is about 1119.3723151697.

The spelling of 1402567220 in words is "one billion, four hundred two million, five hundred sixty-seven thousand, two hundred twenty".