3144022421 has 4 divisors (see below), whose sum is σ = 3280719072. Its totient is φ = 3007325772.

The previous prime is 3144022417. The next prime is 3144022433. The reversal of 3144022421 is 1242204413.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3144022421 - 2² = 3144022417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 136696627 = 3144022421 / (3 + 1 + 4 + 4 + 0 + 2 + 2 + 4 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3144022471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68348291 + ... + 68348336.

It is an arithmetic number, because the mean of its divisors is an integer number (820179768).

Almost surely, 2^3144022421 is an apocalyptic number.

It is an amenable number.

3144022421 is a deficient number, since it is larger than the sum of its proper divisors (136696651).

3144022421 is a wasteful number, since it uses less digits than its factorization.

3144022421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136696650.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 3144022421 is about 56071.5830077946. The cubic root of 3144022421 is about 1464.9693713189.

Adding to 3144022421 its reverse (1242204413), we get a palindrome (4386226834).

The spelling of 3144022421 in words is "three billion, one hundred forty-four million, twenty-two thousand, four hundred twenty-one".