22032233442 has 20 divisors (see below), whose sum is σ = 49368523446. Its totient is φ = 7344077760.

The previous prime is 22032233411. The next prime is 22032233497. The reversal of 22032233442 is 24433223022.

It is a happy number.

22032233442 is a `hidden beast` number, since 2 + 2 + 0 + 322 + 334 + 4 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 21948126201 + 84107241 = 148149^2 + 9171^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 68000559 + ... + 68000882.

Almost surely, 2^22032233442 is an apocalyptic number.

22032233442 is an abundant number, since it is smaller than the sum of its proper divisors (27336290004).

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

22032233442 is a wasteful number, since it uses less digits than its factorization.

22032233442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136001455 (or 136001446 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 22032233442 its reverse (24433223022), we get a palindrome (46465456464).

The spelling of 22032233442 in words is "twenty-two billion, thirty-two million, two hundred thirty-three thousand, four hundred forty-two".