1422222401 has 2 divisors, whose sum is σ = 1422222402. Its totient is φ = 1422222400.

The previous prime is 1422222367. The next prime is 1422222449. The reversal of 1422222401 is 1042222241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 754051600 + 668170801 = 27460^2 + 25849^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1422222401 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1422222301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711111200 + 711111201.

It is an arithmetic number, because the mean of its divisors is an integer number (711111201).

Almost surely, 2^1422222401 is an apocalyptic number.

It is an amenable number.

1422222401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422222401 is an equidigital number, since it uses as much as digits as its factorization.

1422222401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1422222401 is about 37712.3640335633. The cubic root of 1422222401 is about 1124.5769341899.

Adding to 1422222401 its reverse (1042222241), we get a palindrome (2464444642).

It can be divided in two parts, 142222240 and 1, that added together give a palindrome (142222241).

The spelling of 1422222401 in words is "one billion, four hundred twenty-two million, two hundred twenty-two thousand, four hundred one".