1422811 has 6 divisors (see below), whose sum is σ = 1540860. Its totient is φ = 1313208.

The previous prime is 1422797. The next prime is 1422821. The reversal of 1422811 is 1182241.

It is a happy number.

It is not a de Polignac number, because 1422811 - 2¹³ = 1414619 is a prime.

It is a super-2 number, since 2×1422811² = 4048782283442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1422821) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4041 + ... + 4378.

It is an arithmetic number, because the mean of its divisors is an integer number (256810).

2^1422811 is an apocalyptic number.

1422811 is a deficient number, since it is larger than the sum of its proper divisors (118049).

1422811 is an equidigital number, since it uses as much as digits as its factorization.

1422811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8445 (or 8432 counting only the distinct ones).

The product of its digits is 128, while the sum is 19.

The square root of 1422811 is about 1192.8164150447. The cubic root of 1422811 is about 112.4732051412.

The spelling of 1422811 in words is "one million, four hundred twenty-two thousand, eight hundred eleven".