422150427 has 16 divisors (see below), whose sum is σ = 642312480. Its totient is φ = 273826656.

The previous prime is 422150423. The next prime is 422150429. The reversal of 422150427 is 724051224.

It is not a de Polignac number, because 422150427 - 2² = 422150423 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 422150427.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210288 + ... + 212285.

It is an arithmetic number, because the mean of its divisors is an integer number (40144530).

Almost surely, 2^422150427 is an apocalyptic number.

422150427 is a deficient number, since it is larger than the sum of its proper divisors (220162053).

422150427 is a wasteful number, since it uses less digits than its factorization.

422150427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422619 (or 422613 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 422150427 is about 20546.2995938441. The cubic root of 422150427 is about 750.1631804936.

The spelling of 422150427 in words is "four hundred twenty-two million, one hundred fifty thousand, four hundred twenty-seven".