1422220402100 has 36 divisors (see below), whose sum is σ = 3125284344000. Its totient is φ = 561687041760.

The previous prime is 1422220402093. The next prime is 1422220402103. The reversal of 1422220402100 is 12040222241.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422220402103) 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, 90006050 + ... + 90021849.

It is an arithmetic number, because the mean of its divisors is an integer number (86813454000).

Almost surely, 2^{1422220402100} is an apocalyptic number.

1422220402100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1422220402100 is an abundant number, since it is smaller than the sum of its proper divisors (1703063941900).

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

1422220402100 is a wasteful number, since it uses less digits than its factorization.

1422220402100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180027992 (or 180027985 counting only the distinct ones).

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

Adding to 1422220402100 its reverse (12040222241), we get a palindrome (1434260624341).

The spelling of 1422220402100 in words is "one trillion, four hundred twenty-two billion, two hundred twenty million, four hundred two thousand, one hundred".