20150422 has 16 divisors (see below), whose sum is σ = 31176720. Its totient is φ = 9760608.

The previous prime is 20150411. The next prime is 20150443. The reversal of 20150422 is 22405102.

It is a junction number, because it is equal to n+sod(n) for n = 20150396 and 20150405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23029 + ... + 23887.

It is an arithmetic number, because the mean of its divisors is an integer number (1948545).

Almost surely, 2^20150422 is an apocalyptic number.

20150422 is a deficient number, since it is larger than the sum of its proper divisors (11026298).

20150422 is a wasteful number, since it uses less digits than its factorization.

20150422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 20150422 is about 4488.9221423411. The cubic root of 20150422 is about 272.1205762270.

Adding to 20150422 its reverse (22405102), we get a palindrome (42555524).

The spelling of 20150422 in words is "twenty million, one hundred fifty thousand, four hundred twenty-two".