422738 has 4 divisors (see below), whose sum is σ = 634110. Its totient is φ = 211368.

The previous prime is 422711. The next prime is 422749. The reversal of 422738 is 837224.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 368449 + 54289 = 607^2 + 233^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105683 + ... + 105686.

2⁴²²⁷³⁸ is an apocalyptic number.

422738 is a deficient number, since it is larger than the sum of its proper divisors (211372).

422738 is a wasteful number, since it uses less digits than its factorization.

422738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211371.

The product of its digits is 2688, while the sum is 26.

The square root of 422738 is about 650.1830511479. The cubic root of 422738 is about 75.0511059086.

The spelling of 422738 in words is "four hundred twenty-two thousand, seven hundred thirty-eight".