103222665 has 108 divisors (see below), whose sum is σ = 226185804. Its totient is φ = 43400448.

The previous prime is 103222631. The next prime is 103222667. The reversal of 103222665 is 566222301.

103222665 is nontrivially palindromic in base 4.

It can be written as a sum of positive squares in 6 ways, for example, as 36832761 + 66389904 = 6069^2 + 8148^2 .

It is not a de Polignac number, because 103222665 - 2¹³ = 103214473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103222667) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 372507 + ... + 372783.

It is an arithmetic number, because the mean of its divisors is an integer number (2094313).

Almost surely, 2^103222665 is an apocalyptic number.

103222665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103222665 is an abundant number, since it is smaller than the sum of its proper divisors (122963139).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103222665 is a wasteful number, since it uses less digits than its factorization.

103222665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 305 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 103222665 is about 10159.8555599969. The cubic root of 103222665 is about 469.0923557632.

Adding to 103222665 its reverse (566222301), we get a palindrome (669444966).

The spelling of 103222665 in words is "one hundred three million, two hundred twenty-two thousand, six hundred sixty-five".