422151 has 4 divisors (see below), whose sum is σ = 562872. Its totient is φ = 281432.

The previous prime is 422141. The next prime is 422183. The reversal of 422151 is 151224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 422151 - 2⁶ = 422087 is a prime.

It is a super-2 number, since 2×422151² = 356422933602, which contains 22 as substring.

It is a D-number.

422151 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 422151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422101) 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, 70356 + ... + 70361.

It is an arithmetic number, because the mean of its divisors is an integer number (140718).

2⁴²²¹⁵¹ is an apocalyptic number.

422151 is a deficient number, since it is larger than the sum of its proper divisors (140721).

422151 is a wasteful number, since it uses less digits than its factorization.

422151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140720.

The product of its digits is 80, while the sum is 15.

The square root of 422151 is about 649.7314829989. The cubic root of 422151 is about 75.0163519901.

Adding to 422151 its reverse (151224), we get a palindrome (573375).

It can be divided in two parts, 4 and 22151, that added together give a triangular number (22155 = T₂₁₀).

The spelling of 422151 in words is "four hundred twenty-two thousand, one hundred fifty-one".