1422412021 has 8 divisors (see below), whose sum is σ = 1436246784. Its totient is φ = 1408599360.

The previous prime is 1422412003. The next prime is 1422412027. The reversal of 1422412021 is 1202142241.

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 1422412021 - 2¹⁵ = 1422379253 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1422412021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422412027) 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, 142876 + ... + 152506.

It is an arithmetic number, because the mean of its divisors is an integer number (179530848).

Almost surely, 2^1422412021 is an apocalyptic number.

It is an amenable number.

1422412021 is a deficient number, since it is larger than the sum of its proper divisors (13834763).

1422412021 is a wasteful number, since it uses less digits than its factorization.

1422412021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11051.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1422412021 is about 37714.8779793863. The cubic root of 1422412021 is about 1124.6269106216.

Adding to 1422412021 its reverse (1202142241), we get a palindrome (2624554262).

The spelling of 1422412021 in words is "one billion, four hundred twenty-two million, four hundred twelve thousand, twenty-one".