1207822 has 48 divisors (see below), whose sum is σ = 2451456. Its totient is φ = 435600.

The previous prime is 1207769. The next prime is 1207841. The reversal of 1207822 is 2287021.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a nialpdrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 1207793 and 1207802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38947 + ... + 38977.

It is an arithmetic number, because the mean of its divisors is an integer number (51072).

2^1207822 is an apocalyptic number.

1207822 is an abundant number, since it is smaller than the sum of its proper divisors (1243634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1207822 is a wasteful number, since it uses less digits than its factorization.

1207822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85 (or 74 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 1207822 is about 1099.0095540986. The cubic root of 1207822 is about 106.4962491424.

It can be divided in two parts, 12078 and 22, that added together give a square (12100 = 110²).

The spelling of 1207822 in words is "one million, two hundred seven thousand, eight hundred twenty-two".