1422442100 has 36 divisors (see below), whose sum is σ = 3099051648. Its totient is φ = 566700000.

The previous prime is 1422442081. The next prime is 1422442111. The reversal of 1422442100 is 12442241.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3236 + ... + 53435.

It is an arithmetic number, because the mean of its divisors is an integer number (86084768).

Almost surely, 2^1422442100 is an apocalyptic number.

1422442100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1422442100 is an abundant number, since it is smaller than the sum of its proper divisors (1676609548).

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

1422442100 is a wasteful number, since it uses less digits than its factorization.

1422442100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56936 (or 56929 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1422442100 is about 37715.2767456372. The cubic root of 1422442100 is about 1124.6348378640.

Adding to 1422442100 its reverse (12442241), we get a palindrome (1434884341).

The spelling of 1422442100 in words is "one billion, four hundred twenty-two million, four hundred forty-two thousand, one hundred".