222137270944438 has 4 divisors (see below), whose sum is σ = 333205906416660. Its totient is φ = 111068635472218.

The previous prime is 222137270944427. The next prime is 222137270944481. The reversal of 222137270944438 is 834449072731222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55534317736108 + ... + 55534317736111.

It is an arithmetic number, because the mean of its divisors is an integer number (83301476604165).

Almost surely, 2^{222137270944438} is an apocalyptic number.

222137270944438 is a deficient number, since it is larger than the sum of its proper divisors (111068635472222).

222137270944438 is a wasteful number, since it uses less digits than its factorization.

222137270944438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111068635472221.

The product of its (nonzero) digits is 32514048, while the sum is 58.

The spelling of 222137270944438 in words is "two hundred twenty-two trillion, one hundred thirty-seven billion, two hundred seventy million, nine hundred forty-four thousand, four hundred thirty-eight".