1222394 has 8 divisors (see below), whose sum is σ = 1852788. Its totient is φ = 604800.

The previous prime is 1222393. The next prime is 1222409. The reversal of 1222394 is 4932221.

It can be written as a sum of positive squares in 2 ways, for example, as 1221025 + 1369 = 1105^2 + 37^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1222393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2957 + ... + 3344.

2^1222394 is an apocalyptic number.

1222394 is a deficient number, since it is larger than the sum of its proper divisors (630394).

1222394 is an equidigital number, since it uses as much as digits as its factorization.

1222394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6400.

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

The square root of 1222394 is about 1105.6192834787. The cubic root of 1222394 is about 106.9228197027.

The spelling of 1222394 in words is "one million, two hundred twenty-two thousand, three hundred ninety-four".