1222137 has 24 divisors (see below), whose sum is σ = 2125760. Its totient is φ = 660960.

The previous prime is 1222129. The next prime is 1222157. The reversal of 1222137 is 7312221.

It is not a de Polignac number, because 1222137 - 2³ = 1222129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222157) 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, 687 + ... + 1707.

2^1222137 is an apocalyptic number.

It is an amenable number.

1222137 is a deficient number, since it is larger than the sum of its proper divisors (903623).

1222137 is a wasteful number, since it uses less digits than its factorization.

1222137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053 (or 1050 counting only the distinct ones).

The product of its digits is 168, while the sum is 18.

The square root of 1222137 is about 1105.5030529130. The cubic root of 1222137 is about 106.9153259130.

Adding to 1222137 its reverse (7312221), we get a palindrome (8534358).

The spelling of 1222137 in words is "one million, two hundred twenty-two thousand, one hundred thirty-seven".