102225577 has 4 divisors (see below), whose sum is σ = 104602960. Its totient is φ = 99848196.

The previous prime is 102225533. The next prime is 102225581. The reversal of 102225577 is 775522201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 775522201 = 17 ⋅45618953.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102225577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102225077) 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, 1188627 + ... + 1188712.

It is an arithmetic number, because the mean of its divisors is an integer number (26150740).

Almost surely, 2^102225577 is an apocalyptic number.

It is an amenable number.

102225577 is a deficient number, since it is larger than the sum of its proper divisors (2377383).

102225577 is an equidigital number, since it uses as much as digits as its factorization.

102225577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2377382.

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 102225577 is about 10110.6664963295. Note that the first 3 decimals coincide. The cubic root of 102225577 is about 467.5770538439.

Adding to 102225577 its reverse (775522201), we get a palindrome (877747778).

The spelling of 102225577 in words is "one hundred two million, two hundred twenty-five thousand, five hundred seventy-seven".