10222221132 has 18 divisors (see below), whose sum is σ = 25839503508. Its totient is φ = 3407407032.

The previous prime is 10222221109. The next prime is 10222221137. The reversal of 10222221132 is 23112222201.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×10222221132² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (10222221137) 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, 141975258 + ... + 141975329.

Almost surely, 2^10222221132 is an apocalyptic number.

10222221132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10222221132 is an abundant number, since it is smaller than the sum of its proper divisors (15617282376).

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

10222221132 is a wasteful number, since it uses less digits than its factorization.

10222221132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283950597 (or 283950592 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 10222221132 its reverse (23112222201), we get a palindrome (33334443333).

The spelling of 10222221132 in words is "ten billion, two hundred twenty-two million, two hundred twenty-one thousand, one hundred thirty-two".