222040531650 has 96 divisors (see below), whose sum is σ = 646335239040. Its totient is φ = 49380433920.

The previous prime is 222040531621. The next prime is 222040531667. The reversal of 222040531650 is 56135040222.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2818815 + ... + 2896514.

It is an arithmetic number, because the mean of its divisors is an integer number (6732658740).

Almost surely, 2^222040531650 is an apocalyptic number.

222040531650 is an abundant number, since it is smaller than the sum of its proper divisors (424294707390).

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

222040531650 is a wasteful number, since it uses less digits than its factorization.

222040531650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5715388 (or 5715383 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 222040531650 its reverse (56135040222), we get a palindrome (278175571872).

The spelling of 222040531650 in words is "two hundred twenty-two billion, forty million, five hundred thirty-one thousand, six hundred fifty".