103222628 has 6 divisors (see below), whose sum is σ = 180639606. Its totient is φ = 51611312.

The previous prime is 103222627. The next prime is 103222631. The reversal of 103222628 is 826222301.

It can be written as a sum of positive squares in only one way, i.e., 78996544 + 24226084 = 8888^2 + 4922^2 .

It is a junction number, because it is equal to n+sod(n) for n = 103222597 and 103222606.

It is not an unprimeable number, because it can be changed into a prime (103222621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12902825 + ... + 12902832.

It is an arithmetic number, because the mean of its divisors is an integer number (30106601).

Almost surely, 2^103222628 is an apocalyptic number.

It is an amenable number.

103222628 is a deficient number, since it is larger than the sum of its proper divisors (77416978).

103222628 is a wasteful number, since it uses less digits than its factorization.

103222628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25805661 (or 25805659 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 103222628 is about 10159.8537391047. The cubic root of 103222628 is about 469.0922997147.

Adding to 103222628 its reverse (826222301), we get a palindrome (929444929).

The spelling of 103222628 in words is "one hundred three million, two hundred twenty-two thousand, six hundred twenty-eight".