422150428 has 48 divisors (see below), whose sum is σ = 877040640. Its totient is φ = 174038976.

The previous prime is 422150423. The next prime is 422150429. The reversal of 422150428 is 824051224.

It is a super-3 number, since 3×422150428³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 422150396 and 422150405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422150423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74926 + ... + 80362.

It is an arithmetic number, because the mean of its divisors is an integer number (18271680).

Almost surely, 2^422150428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422150428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (438520320).

422150428 is an abundant number, since it is smaller than the sum of its proper divisors (454890212).

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

422150428 is a wasteful number, since it uses less digits than its factorization.

422150428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5554 (or 5552 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 28.

The square root of 422150428 is about 20546.2996181794. The cubic root of 422150428 is about 750.1631810859.

The spelling of 422150428 in words is "four hundred twenty-two million, one hundred fifty thousand, four hundred twenty-eight".