222040531651 has 4 divisors (see below), whose sum is σ = 224196265072. Its totient is φ = 219884798232.

The previous prime is 222040531621. The next prime is 222040531667. The reversal of 222040531651 is 156135040222.

222040531651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222040531651 - 2²⁵ = 222006977219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222040531621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1077866556 + ... + 1077866761.

It is an arithmetic number, because the mean of its divisors is an integer number (56049066268).

Almost surely, 2^222040531651 is an apocalyptic number.

222040531651 is a deficient number, since it is larger than the sum of its proper divisors (2155733421).

222040531651 is a wasteful number, since it uses less digits than its factorization.

222040531651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2155733420.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 222040531651 its reverse (156135040222), we get a palindrome (378175571873).

The spelling of 222040531651 in words is "two hundred twenty-two billion, forty million, five hundred thirty-one thousand, six hundred fifty-one".