103222251 has 24 divisors (see below), whose sum is σ = 163326384. Its totient is φ = 62300160.

The previous prime is 103222247. The next prime is 103222253. The reversal of 103222251 is 152222301.

It is not a de Polignac number, because 103222251 - 2² = 103222247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103222253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23415 + ... + 27471.

It is an arithmetic number, because the mean of its divisors is an integer number (6805266).

Almost surely, 2^103222251 is an apocalyptic number.

103222251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

103222251 is a deficient number, since it is larger than the sum of its proper divisors (60104133).

103222251 is a wasteful number, since it uses less digits than its factorization.

103222251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4331 (or 4328 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 103222251 is about 10159.8351856711. The cubic root of 103222251 is about 469.0917286254.

Adding to 103222251 its reverse (152222301), we get a palindrome (255444552).

Subtracting 103222251 from its reverse (152222301), we obtain a triangular number (49000050 = T₉₈₉₉).

The spelling of 103222251 in words is "one hundred three million, two hundred twenty-two thousand, two hundred fifty-one".