1222375 has 32 divisors (see below), whose sum is σ = 1916928. Its totient is φ = 756000.

The previous prime is 1222373. The next prime is 1222393. The reversal of 1222375 is 5732221.

1222375 = 28² + 29² + ... + 154².

It is not a de Polignac number, because 1222375 - 2¹ = 1222373 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222373) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9562 + ... + 9688.

It is an arithmetic number, because the mean of its divisors is an integer number (59904).

2^1222375 is an apocalyptic number.

1222375 is a deficient number, since it is larger than the sum of its proper divisors (694553).

1222375 is a wasteful number, since it uses less digits than its factorization.

1222375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 150 counting only the distinct ones).

The product of its digits is 840, while the sum is 22.

The square root of 1222375 is about 1105.6106909758. The cubic root of 1222375 is about 106.9222657230.

Adding to 1222375 its reverse (5732221), we get a palindrome (6954596).

The spelling of 1222375 in words is "one million, two hundred twenty-two thousand, three hundred seventy-five".