1222611 has 32 divisors (see below), whose sum is σ = 1935360. Its totient is φ = 680064.

The previous prime is 1222603. The next prime is 1222633. The reversal of 1222611 is 1162221.

It is not a de Polignac number, because 1222611 - 2³ = 1222603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222601) 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, 25990 + ... + 26036.

It is an arithmetic number, because the mean of its divisors is an integer number (60480).

2^1222611 is an apocalyptic number.

1222611 is a deficient number, since it is larger than the sum of its proper divisors (712749).

1222611 is a wasteful number, since it uses less digits than its factorization.

1222611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115.

The product of its digits is 48, while the sum is 15.

The square root of 1222611 is about 1105.7174141705. The cubic root of 1222611 is about 106.9291463260.

Adding to 1222611 its reverse (1162221), we get a palindrome (2384832).

The spelling of 1222611 in words is "one million, two hundred twenty-two thousand, six hundred eleven".