157222703 has 4 divisors (see below), whose sum is σ = 171515688. Its totient is φ = 142929720.

The previous prime is 157222693. The next prime is 157222729. The reversal of 157222703 is 307222751.

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 157222703 - 2⁸ = 157222447 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 (157222753) 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, 7146476 + ... + 7146497.

It is an arithmetic number, because the mean of its divisors is an integer number (42878922).

Almost surely, 2^157222703 is an apocalyptic number.

157222703 is a deficient number, since it is larger than the sum of its proper divisors (14292985).

157222703 is a wasteful number, since it uses less digits than its factorization.

157222703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14292984.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 157222703 is about 12538.8477540801. The cubic root of 157222703 is about 539.7240279388.

The spelling of 157222703 in words is "one hundred fifty-seven million, two hundred twenty-two thousand, seven hundred three".