1422541 has 2 divisors, whose sum is σ = 1422542. Its totient is φ = 1422540.

The previous prime is 1422523. The next prime is 1422563. The reversal of 1422541 is 1452241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 828100 + 594441 = 910^2 + 771^2 .

It is a cyclic number.

It is not a de Polignac number, because 1422541 - 2¹¹ = 1420493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1422521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711270 + 711271.

It is an arithmetic number, because the mean of its divisors is an integer number (711271).

2^1422541 is an apocalyptic number.

It is an amenable number.

1422541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422541 is an equidigital number, since it uses as much as digits as its factorization.

1422541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 320, while the sum is 19.

The square root of 1422541 is about 1192.7032321579. The cubic root of 1422541 is about 112.4660901914.

Adding to 1422541 its reverse (1452241), we get a palindrome (2874782).

The spelling of 1422541 in words is "one million, four hundred twenty-two thousand, five hundred forty-one".