155022 has 16 divisors (see below), whose sum is σ = 354432. Its totient is φ = 44280.

The previous prime is 155017. The next prime is 155027. The reversal of 155022 is 220551.

It is an interprime number because it is at equal distance from previous prime (155017) and next prime (155027).

It is a junction number, because it is equal to n+sod(n) for n = 154992 and 155010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1804 + ... + 1887.

It is an arithmetic number, because the mean of its divisors is an integer number (22152).

2¹⁵⁵⁰²² is an apocalyptic number.

155022 is an abundant number, since it is smaller than the sum of its proper divisors (199410).

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

155022 is a wasteful number, since it uses less digits than its factorization.

155022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3703.

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 155022 is about 393.7283327372. The cubic root of 155022 is about 53.7193948718.

Adding to 155022 its reverse (220551), we get a palindrome (375573).

The spelling of 155022 in words is "one hundred fifty-five thousand, twenty-two".