1222693 has 2 divisors, whose sum is σ = 1222694. Its totient is φ = 1222692.

The previous prime is 1222681. The next prime is 1222717. The reversal of 1222693 is 3962221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1216609 + 6084 = 1103^2 + 78^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222693 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611346 + 611347.

It is an arithmetic number, because the mean of its divisors is an integer number (611347).

2^1222693 is an apocalyptic number.

It is an amenable number.

1222693 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222693 is an equidigital number, since it uses as much as digits as its factorization.

1222693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 25.

The square root of 1222693 is about 1105.7544935473. The cubic root of 1222693 is about 106.9315368366.

The spelling of 1222693 in words is "one million, two hundred twenty-two thousand, six hundred ninety-three".