22302201042 has 64 divisors (see below), whose sum is σ = 54242496000. Its totient is φ = 6736173840.

The previous prime is 22302201037. The next prime is 22302201049. The reversal of 22302201042 is 24010220322.

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 (22302201049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121209 + ... + 243507.

It is an arithmetic number, because the mean of its divisors is an integer number (847539000).

Almost surely, 2^22302201042 is an apocalyptic number.

22302201042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 22302201042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27121248000).

22302201042 is an abundant number, since it is smaller than the sum of its proper divisors (31940294958).

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

22302201042 is a wasteful number, since it uses less digits than its factorization.

22302201042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122628 (or 122622 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 22302201042 its reverse (24010220322), we get a palindrome (46312421364).

The spelling of 22302201042 in words is "twenty-two billion, three hundred two million, two hundred one thousand, forty-two".