1422198072 has 24 divisors (see below), whose sum is σ = 3851786640. Its totient is φ = 474066000.

The previous prime is 1422198061. The next prime is 1422198073. The reversal of 1422198072 is 2708912241.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422198073) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9876304 + ... + 9876447.

It is an arithmetic number, because the mean of its divisors is an integer number (160491110).

Almost surely, 2^1422198072 is an apocalyptic number.

1422198072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1422198072 is an abundant number, since it is smaller than the sum of its proper divisors (2429588568).

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

1422198072 is a wasteful number, since it uses less digits than its factorization.

1422198072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19752763 (or 19752756 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 1422198072 is about 37712.0414721876. The cubic root of 1422198072 is about 1124.5705216935.

The spelling of 1422198072 in words is "one billion, four hundred twenty-two million, one hundred ninety-eight thousand, seventy-two".