1422321100 has 36 divisors (see below), whose sum is σ = 3093289864. Its totient is φ = 567665280.

The previous prime is 1422321077. The next prime is 1422321101. The reversal of 1422321100 is 11232241.

It is not an unprimeable number, because it can be changed into a prime (1422321101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30139 + ... + 61261.

Almost surely, 2^1422321100 is an apocalyptic number.

1422321100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1422321100 is an abundant number, since it is smaller than the sum of its proper divisors (1670968764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1422321100 is a wasteful number, since it uses less digits than its factorization.

1422321100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31594 (or 31587 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1422321100 is about 37713.6725870075. The cubic root of 1422321100 is about 1124.6029479487.

Adding to 1422321100 its reverse (11232241), we get a palindrome (1433553341).

The spelling of 1422321100 in words is "one billion, four hundred twenty-two million, three hundred twenty-one thousand, one hundred".