222040303542 has 128 divisors (see below), whose sum is σ = 526121481600. Its totient is φ = 69171314688.

The previous prime is 222040303477. The next prime is 222040303561. The reversal of 222040303542 is 245303040222.

It is a happy number.

222040303542 is a `hidden beast` number, since 2 + 220 + 403 + 0 + 35 + 4 + 2 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 155380884 + ... + 155382312.

It is an arithmetic number, because the mean of its divisors is an integer number (4110324075).

Almost surely, 2^222040303542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222040303542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263060740800).

222040303542 is an abundant number, since it is smaller than the sum of its proper divisors (304081178058).

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

222040303542 is a wasteful number, since it uses less digits than its factorization.

222040303542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2527 (or 2521 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

Adding to 222040303542 its reverse (245303040222), we get a palindrome (467343343764).

The spelling of 222040303542 in words is "two hundred twenty-two billion, forty million, three hundred three thousand, five hundred forty-two".