1423221032 has 8 divisors (see below), whose sum is σ = 2668539450. Its totient is φ = 711610512.

The previous prime is 1423221013. The next prime is 1423221043. The reversal of 1423221032 is 2301223241.

It can be written as a sum of positive squares in only one way, i.e., 1021058116 + 402162916 = 31954^2 + 20054^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1423220995 and 1423221013.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 88951307 + ... + 88951322.

Almost surely, 2^1423221032 is an apocalyptic number.

It is an amenable number.

1423221032 is a deficient number, since it is larger than the sum of its proper divisors (1245318418).

1423221032 is a wasteful number, since it uses less digits than its factorization.

1423221032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177902635 (or 177902631 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1423221032 is about 37725.6018109718. The cubic root of 1423221032 is about 1124.8400844630.

Adding to 1423221032 its reverse (2301223241), we get a palindrome (3724444273).

The spelling of 1423221032 in words is "one billion, four hundred twenty-three million, two hundred twenty-one thousand, thirty-two".