170214442 has 4 divisors (see below), whose sum is σ = 255321666. Its totient is φ = 85107220.

The previous prime is 170214437. The next prime is 170214449. The reversal of 170214442 is 244412071.

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

It can be written as a sum of positive squares in only one way, i.e., 135745801 + 34468641 = 11651^2 + 5871^2 .

It is not an unprimeable number, because it can be changed into a prime (170214449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42553609 + ... + 42553612.

Almost surely, 2^170214442 is an apocalyptic number.

170214442 is a deficient number, since it is larger than the sum of its proper divisors (85107224).

170214442 is an equidigital number, since it uses as much as digits as its factorization.

170214442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85107223.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 170214442 is about 13046.6256940253. The cubic root of 170214442 is about 554.1986563125.

The spelling of 170214442 in words is "one hundred seventy million, two hundred fourteen thousand, four hundred forty-two".