222144636001 has 4 divisors (see below), whose sum is σ = 223140800512. Its totient is φ = 221148471492.

The previous prime is 222144635983. The next prime is 222144636023. The reversal of 222144636001 is 100636441222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222144636001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222144639001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 498081921 + ... + 498082366.

It is an arithmetic number, because the mean of its divisors is an integer number (55785200128).

Almost surely, 2^222144636001 is an apocalyptic number.

It is an amenable number.

222144636001 is a deficient number, since it is larger than the sum of its proper divisors (996164511).

222144636001 is an equidigital number, since it uses as much as digits as its factorization.

222144636001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996164510.

The product of its (nonzero) digits is 13824, while the sum is 31.

The spelling of 222144636001 in words is "two hundred twenty-two billion, one hundred forty-four million, six hundred thirty-six thousand, one".