1422034021 has 4 divisors (see below), whose sum is σ = 1452290112. Its totient is φ = 1391777932.

The previous prime is 1422034007. The next prime is 1422034039. The reversal of 1422034021 is 1204302241.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1204302241 = 23 ⋅52360967.

It is a cyclic number.

It is not a de Polignac number, because 1422034021 - 2²³ = 1413645413 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 1422034021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422034001) 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, 15127975 + ... + 15128068.

It is an arithmetic number, because the mean of its divisors is an integer number (363072528).

Almost surely, 2^1422034021 is an apocalyptic number.

It is an amenable number.

1422034021 is a deficient number, since it is larger than the sum of its proper divisors (30256091).

1422034021 is an equidigital number, since it uses as much as digits as its factorization.

1422034021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30256090.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1422034021 is about 37709.8663614710. The cubic root of 1422034021 is about 1124.5272801750.

Adding to 1422034021 its reverse (1204302241), we get a palindrome (2626336262).

The spelling of 1422034021 in words is "one billion, four hundred twenty-two million, thirty-four thousand, twenty-one".