1022947 has 4 divisors (see below), whose sum is σ = 1025136. Its totient is φ = 1020760.

The previous prime is 1022933. The next prime is 1022963. The reversal of 1022947 is 7492201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7492201 = 607 ⋅12343.

It is a cyclic number.

It is not a de Polignac number, because 1022947 - 2¹⁵ = 990179 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79 + ... + 1432.

It is an arithmetic number, because the mean of its divisors is an integer number (256284).

2^1022947 is an apocalyptic number.

1022947 is a deficient number, since it is larger than the sum of its proper divisors (2189).

1022947 is an equidigital number, since it uses as much as digits as its factorization.

1022947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2188.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 1022947 is about 1011.4084239317. The cubic root of 1022947 is about 100.7591227447.

The spelling of 1022947 in words is "one million, twenty-two thousand, nine hundred forty-seven".