102270338 has 4 divisors (see below), whose sum is σ = 153405510. Its totient is φ = 51135168.

The previous prime is 102270307. The next prime is 102270347. The reversal of 102270338 is 833072201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 833072201 = 13 ⋅64082477.

It can be written as a sum of positive squares in only one way, i.e., 87853129 + 14417209 = 9373^2 + 3797^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25567583 + ... + 25567586.

Almost surely, 2^102270338 is an apocalyptic number.

102270338 is a deficient number, since it is larger than the sum of its proper divisors (51135172).

102270338 is an equidigital number, since it uses as much as digits as its factorization.

102270338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51135171.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 102270338 is about 10112.8798074535. The cubic root of 102270338 is about 467.6452890910.

The spelling of 102270338 in words is "one hundred two million, two hundred seventy thousand, three hundred thirty-eight".