1022611 has 2 divisors, whose sum is σ = 1022612. Its totient is φ = 1022610.

The previous prime is 1022591. The next prime is 1022629. The reversal of 1022611 is 1162201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1022611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1022591 and 1022600.

It is not a weakly prime, because it can be changed into another prime (1022011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511305 + 511306.

It is an arithmetic number, because the mean of its divisors is an integer number (511306).

2^1022611 is an apocalyptic number.

1022611 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022611 is an equidigital number, since it uses as much as digits as its factorization.

1022611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1022611 is about 1011.2423052859. The cubic root of 1022611 is about 100.7480896632.

Adding to 1022611 its reverse (1162201), we get a palindrome (2184812).

The spelling of 1022611 in words is "one million, twenty-two thousand, six hundred eleven".