1422433621 has 8 divisors (see below), whose sum is σ = 1630246464. Its totient is φ = 1215772800.

The previous prime is 1422433619. The next prime is 1422433627. The reversal of 1422433621 is 1263342241.

It is a happy number.

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 1422433621 - 2¹ = 1422433619 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1422433621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422433627) 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, 285355 + ... + 290296.

It is an arithmetic number, because the mean of its divisors is an integer number (203780808).

Almost surely, 2^1422433621 is an apocalyptic number.

It is an amenable number.

1422433621 is a deficient number, since it is larger than the sum of its proper divisors (207812843).

1422433621 is an equidigital number, since it uses as much as digits as its factorization.

1422433621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576011.

The product of its digits is 6912, while the sum is 28.

The square root of 1422433621 is about 37715.1643374386. The cubic root of 1422433621 is about 1124.6326032569.

Adding to 1422433621 its reverse (1263342241), we get a palindrome (2685775862).

The spelling of 1422433621 in words is "one billion, four hundred twenty-two million, four hundred thirty-three thousand, six hundred twenty-one".