151822 has 16 divisors (see below), whose sum is σ = 254592. Its totient is φ = 67320.

The previous prime is 151817. The next prime is 151841. The reversal of 151822 is 228151.

It is a self number, because there is not a number n which added to its sum of digits gives 151822.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1423 + ... + 1525.

It is an arithmetic number, because the mean of its divisors is an integer number (15912).

2¹⁵¹⁸²² is an apocalyptic number.

151822 is a deficient number, since it is larger than the sum of its proper divisors (102770).

151822 is a wasteful number, since it uses less digits than its factorization.

151822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183.

The product of its digits is 160, while the sum is 19.

The square root of 151822 is about 389.6434267378. The cubic root of 151822 is about 53.3471925788.

Adding to 151822 its reverse (228151), we get a palindrome (379973).

It can be divided in two parts, 1518 and 22, that added together give a triangular number (1540 = T₅₅).

The spelling of 151822 in words is "one hundred fifty-one thousand, eight hundred twenty-two".