222153111906 has 32 divisors (see below), whose sum is σ = 484719681600. Its totient is φ = 67316071680.

The previous prime is 222153111841. The next prime is 222153111907. The reversal of 222153111906 is 609111351222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (222153111907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1701150 + ... + 1827078.

It is an arithmetic number, because the mean of its divisors is an integer number (15147490050).

Almost surely, 2^222153111906 is an apocalyptic number.

222153111906 is an abundant number, since it is smaller than the sum of its proper divisors (262566569694).

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

222153111906 is a wasteful number, since it uses less digits than its factorization.

222153111906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152674.

The product of its (nonzero) digits is 6480, while the sum is 33.

The spelling of 222153111906 in words is "two hundred twenty-two billion, one hundred fifty-three million, one hundred eleven thousand, nine hundred six".