22321011042 has 24 divisors (see below), whose sum is σ = 52758753840. Its totient is φ = 6763942680.

The previous prime is 22321011029. The next prime is 22321011047. The reversal of 22321011042 is 24011012322.

It is a happy number.

It is a super-3 number, since 3×22321011042³ (a number of 32 digits) contains 333 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 (22321011047) 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, 56365992 + ... + 56366387.

It is an arithmetic number, because the mean of its divisors is an integer number (2198281410).

Almost surely, 2^22321011042 is an apocalyptic number.

22321011042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22321011042 is an abundant number, since it is smaller than the sum of its proper divisors (30437742798).

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

22321011042 is a wasteful number, since it uses less digits than its factorization.

22321011042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112732398 (or 112732395 counting only the distinct ones).

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

Adding to 22321011042 its reverse (24011012322), we get a palindrome (46332023364).

The spelling of 22321011042 in words is "twenty-two billion, three hundred twenty-one million, eleven thousand, forty-two".