422356 has 24 divisors (see below), whose sum is σ = 836640. Its totient is φ = 184800.

The previous prime is 422353. The next prime is 422363. The reversal of 422356 is 653224.

It is a happy number.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a d-powerful number, because it can be written as 4 + 2¹³ + 3³ + 2¹⁷ + 5⁵ + 6⁷ .

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422353) 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, 1111 + ... + 1441.

It is an arithmetic number, because the mean of its divisors is an integer number (34860).

2⁴²²³⁵⁶ is an apocalyptic number.

It is an amenable number.

422356 is a deficient number, since it is larger than the sum of its proper divisors (414284).

422356 is a wasteful number, since it uses less digits than its factorization.

422356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375 (or 373 counting only the distinct ones).

The product of its digits is 1440, while the sum is 22.

The square root of 422356 is about 649.8892213293. The cubic root of 422356 is about 75.0284928777.

The spelling of 422356 in words is "four hundred twenty-two thousand, three hundred fifty-six".