1402200021 has 8 divisors (see below), whose sum is σ = 1909378944. Its totient is φ = 914910560.

The previous prime is 1402200013. The next prime is 1402200049. The reversal of 1402200021 is 1200022041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1402200021 - 2³ = 1402200013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402200071) 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, 4972200 + ... + 4972481.

It is an arithmetic number, because the mean of its divisors is an integer number (238672368).

Almost surely, 2^1402200021 is an apocalyptic number.

It is an amenable number.

1402200021 is a deficient number, since it is larger than the sum of its proper divisors (507178923).

1402200021 is an equidigital number, since it uses as much as digits as its factorization.

1402200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9944731.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1402200021 is about 37445.9613443159. The cubic root of 1402200021 is about 1119.2746209169.

Adding to 1402200021 its reverse (1200022041), we get a palindrome (2602222062).

The spelling of 1402200021 in words is "one billion, four hundred two million, two hundred thousand, twenty-one".