222142401203231 has 4 divisors (see below), whose sum is σ = 222298072123512. Its totient is φ = 221986730282952.

The previous prime is 222142401203207. The next prime is 222142401203309. The reversal of 222142401203231 is 132302104241222.

222142401203231 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 222142401203231 - 2³⁴ = 222125221334047 is a prime.

It is a super-2 number, since 2×222142401203231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222142401203194 and 222142401203203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222142401203431) 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, 77835458000 + ... + 77835460853.

It is an arithmetic number, because the mean of its divisors is an integer number (55574518030878).

Almost surely, 2^{222142401203231} is an apocalyptic number.

222142401203231 is a deficient number, since it is larger than the sum of its proper divisors (155670920281).

222142401203231 is a wasteful number, since it uses less digits than its factorization.

222142401203231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155670920280.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 222142401203231 its reverse (132302104241222), we get a palindrome (354444505444453).

The spelling of 222142401203231 in words is "two hundred twenty-two trillion, one hundred forty-two billion, four hundred one million, two hundred three thousand, two hundred thirty-one".