1222801 has 2 divisors, whose sum is σ = 1222802. Its totient is φ = 1222800.

The previous prime is 1222789. The next prime is 1222811. The reversal of 1222801 is 1082221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1157776 + 65025 = 1076^2 + 255^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222801 - 2⁵ = 1222769 is a prime.

It is not a weakly prime, because it can be changed into another prime (1222811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611400 + 611401.

It is an arithmetic number, because the mean of its divisors is an integer number (611401).

2^1222801 is an apocalyptic number.

It is an amenable number.

1222801 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222801 is an equidigital number, since it uses as much as digits as its factorization.

1222801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1222801 is about 1105.8033279024. The cubic root of 1222801 is about 106.9346851511.

The spelling of 1222801 in words is "one million, two hundred twenty-two thousand, eight hundred one".