149422 has 16 divisors (see below), whose sum is σ = 276192. Its totient is φ = 59040.

The previous prime is 149419. The next prime is 149423. The reversal of 149422 is 224941.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 149393 and 149402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149423) 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, 229 + ... + 592.

It is an arithmetic number, because the mean of its divisors is an integer number (17262).

2¹⁴⁹⁴²² is an apocalyptic number.

149422 is a deficient number, since it is larger than the sum of its proper divisors (126770).

149422 is a wasteful number, since it uses less digits than its factorization.

149422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843.

The product of its digits is 576, while the sum is 22.

The square root of 149422 is about 386.5514196068. The cubic root of 149422 is about 53.0645943176.

The spelling of 149422 in words is "one hundred forty-nine thousand, four hundred twenty-two".