102226258 has 4 divisors (see below), whose sum is σ = 153339390. Its totient is φ = 51113128.

The previous prime is 102226217. The next prime is 102226261. The reversal of 102226258 is 852622201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 852622201 = 2423 ⋅351887.

It can be written as a sum of positive squares in only one way, i.e., 94536729 + 7689529 = 9723^2 + 2773^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25556563 + ... + 25556566.

Almost surely, 2^102226258 is an apocalyptic number.

102226258 is a deficient number, since it is larger than the sum of its proper divisors (51113132).

102226258 is an equidigital number, since it uses as much as digits as its factorization.

102226258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51113131.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 102226258 is about 10110.7001735785. The cubic root of 102226258 is about 467.5780921335.

Adding to 102226258 its reverse (852622201), we get a palindrome (954848459).

The spelling of 102226258 in words is "one hundred two million, two hundred twenty-six thousand, two hundred fifty-eight".