157100222 has 8 divisors (see below), whose sum is σ = 236293536. Its totient is φ = 78335712.

The previous prime is 157100191. The next prime is 157100239. The reversal of 157100222 is 222001751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 157100194 and 157100203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106283 + ... + 107750.

It is an arithmetic number, because the mean of its divisors is an integer number (29536692).

Almost surely, 2^157100222 is an apocalyptic number.

157100222 is a deficient number, since it is larger than the sum of its proper divisors (79193314).

157100222 is a wasteful number, since it uses less digits than its factorization.

157100222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214402.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 157100222 is about 12533.9627412882. The cubic root of 157100222 is about 539.5838380235.

Adding to 157100222 its reverse (222001751), we get a palindrome (379101973).

The spelling of 157100222 in words is "one hundred fifty-seven million, one hundred thousand, two hundred twenty-two".