2222142132 has 96 divisors (see below), whose sum is σ = 6097158144. Its totient is φ = 616694400.

The previous prime is 2222142101. The next prime is 2222142163. The reversal of 2222142132 is 2312412222.

It is an interprime number because it is at equal distance from previous prime (2222142101) and next prime (2222142163).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 2222142099 and 2222142108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 688282 + ... + 691502.

It is an arithmetic number, because the mean of its divisors is an integer number (63512064).

Almost surely, 2^2222142132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2222142132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3048579072).

2222142132 is an abundant number, since it is smaller than the sum of its proper divisors (3875016012).

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

2222142132 is a wasteful number, since it uses less digits than its factorization.

2222142132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3469 (or 3467 counting only the distinct ones).

The product of its digits is 768, while the sum is 21.

The square root of 2222142132 is about 47139.6025863604. The cubic root of 2222142132 is about 1304.9402030703.

Adding to 2222142132 its reverse (2312412222), we get a palindrome (4534554354).

The spelling of 2222142132 in words is "two billion, two hundred twenty-two million, one hundred forty-two thousand, one hundred thirty-two".