1402214421 has 16 divisors (see below), whose sum is σ = 1978907840. Its totient is φ = 880709760.

The previous prime is 1402214399. The next prime is 1402214423. The reversal of 1402214421 is 1244122041.

It is not a de Polignac number, because 1402214421 - 2⁶ = 1402214357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402214423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57640 + ... + 78273.

It is an arithmetic number, because the mean of its divisors is an integer number (123681740).

Almost surely, 2^1402214421 is an apocalyptic number.

It is an amenable number.

1402214421 is a deficient number, since it is larger than the sum of its proper divisors (576693419).

1402214421 is a wasteful number, since it uses less digits than its factorization.

1402214421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136116.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1402214421 is about 37446.1536208994. The cubic root of 1402214421 is about 1119.2784523957.

Adding to 1402214421 its reverse (1244122041), we get a palindrome (2646336462).

The spelling of 1402214421 in words is "one billion, four hundred two million, two hundred fourteen thousand, four hundred twenty-one".