222354330157 has 4 divisors (see below), whose sum is σ = 223471688800. Its totient is φ = 221236971516.

The previous prime is 222354330131. The next prime is 222354330193. The reversal of 222354330157 is 751033453222.

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-222354330157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222354336157) 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, 558679023 + ... + 558679420.

It is an arithmetic number, because the mean of its divisors is an integer number (55867922200).

Almost surely, 2^222354330157 is an apocalyptic number.

It is an amenable number.

222354330157 is a deficient number, since it is larger than the sum of its proper divisors (1117358643).

222354330157 is a wasteful number, since it uses less digits than its factorization.

222354330157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117358642.

The product of its (nonzero) digits is 151200, while the sum is 37.

Adding to 222354330157 its reverse (751033453222), we get a palindrome (973387783379).

The spelling of 222354330157 in words is "two hundred twenty-two billion, three hundred fifty-four million, three hundred thirty thousand, one hundred fifty-seven".