1222965 has 16 divisors (see below), whose sum is σ = 2174400. Its totient is φ = 652176.

The previous prime is 1222957. The next prime is 1222967. The reversal of 1222965 is 5692221.

It is not a de Polignac number, because 1222965 - 2³ = 1222957 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4395 + ... + 4664.

It is an arithmetic number, because the mean of its divisors is an integer number (135900).

2^1222965 is an apocalyptic number.

1222965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1222965 is a deficient number, since it is larger than the sum of its proper divisors (951435).

1222965 is an equidigital number, since it uses as much as digits as its factorization.

1222965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9073 (or 9067 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 1222965 is about 1105.8774796513. The cubic root of 1222965 is about 106.9394655703.

It can be divided in two parts, 1222 and 965, that added together give a 7-th power (2187 = 3⁷).

The spelling of 1222965 in words is "one million, two hundred twenty-two thousand, nine hundred sixty-five".