1222493 has 2 divisors, whose sum is σ = 1222494. Its totient is φ = 1222492.

The previous prime is 1222483. The next prime is 1222499. The reversal of 1222493 is 3942221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 994009 + 228484 = 997^2 + 478^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222493 - 2¹⁰ = 1221469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611246 + 611247.

It is an arithmetic number, because the mean of its divisors is an integer number (611247).

2^1222493 is an apocalyptic number.

It is an amenable number.

1222493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222493 is an equidigital number, since it uses as much as digits as its factorization.

1222493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 23.

The square root of 1222493 is about 1105.6640538608. The cubic root of 1222493 is about 106.9257061352.

The spelling of 1222493 in words is "one million, two hundred twenty-two thousand, four hundred ninety-three".