1151822 has 16 divisors (see below), whose sum is σ = 2043360. Its totient is φ = 476448.

The previous prime is 1151807. The next prime is 1151861. The reversal of 1151822 is 2281511.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1151794 and 1151803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1013 + ... + 1824.

It is an arithmetic number, because the mean of its divisors is an integer number (127710).

2^1151822 is an apocalyptic number.

1151822 is a deficient number, since it is larger than the sum of its proper divisors (891538).

1151822 is a wasteful number, since it uses less digits than its factorization.

1151822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2875.

The product of its digits is 160, while the sum is 20.

The square root of 1151822 is about 1073.2297051424. The cubic root of 1151822 is about 104.8242562777.

The spelling of 1151822 in words is "one million, one hundred fifty-one thousand, eight hundred twenty-two".