222001244001231 has 4 divisors (see below), whose sum is σ = 296001658668312. Its totient is φ = 148000829334152.

The previous prime is 222001244001227. The next prime is 222001244001263. The reversal of 222001244001231 is 132100442100222.

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 222001244001231 - 2² = 222001244001227 is a prime.

It is a super-2 number, since 2×222001244001231² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222001244001211) 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, 37000207333536 + ... + 37000207333541.

It is an arithmetic number, because the mean of its divisors is an integer number (74000414667078).

Almost surely, 2^{222001244001231} is an apocalyptic number.

222001244001231 is a deficient number, since it is larger than the sum of its proper divisors (74000414667081).

222001244001231 is an equidigital number, since it uses as much as digits as its factorization.

222001244001231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74000414667080.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 222001244001231 its reverse (132100442100222), we get a palindrome (354101686101453).

The spelling of 222001244001231 in words is "two hundred twenty-two trillion, one billion, two hundred forty-four million, one thousand, two hundred thirty-one".