222423224450131 has 4 divisors (see below), whose sum is σ = 224501946174072. Its totient is φ = 220344502726192.

The previous prime is 222423224450129. The next prime is 222423224450137. The reversal of 222423224450131 is 131054422324222.

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 222423224450131 - 2¹ = 222423224450129 is a prime.

It is a super-2 number, since 2×222423224450131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222423224450137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1039360861810 + ... + 1039360862023.

It is an arithmetic number, because the mean of its divisors is an integer number (56125486543518).

Almost surely, 2^{222423224450131} is an apocalyptic number.

222423224450131 is a deficient number, since it is larger than the sum of its proper divisors (2078721723941).

222423224450131 is a wasteful number, since it uses less digits than its factorization.

222423224450131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2078721723940.

The product of its (nonzero) digits is 184320, while the sum is 37.

Adding to 222423224450131 its reverse (131054422324222), we get a palindrome (353477646774353).

The spelling of 222423224450131 in words is "two hundred twenty-two trillion, four hundred twenty-three billion, two hundred twenty-four million, four hundred fifty thousand, one hundred thirty-one".