4622538 has 16 divisors (see below), whose sum is σ = 9789120. Its totient is φ = 1450176.

The previous prime is 4622533. The next prime is 4622539. The reversal of 4622538 is 8352264.

It is a super-2 number, since 2×4622538² = 42735715122888, which contains 22 as substring.

It is a d-powerful number, because it can be written as 4⁵ + 6 + 2¹⁴ + 2²² + 5⁸ + 3⁹ + 8³ .

It is not an unprimeable number, because it can be changed into a prime (4622533) 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, 22558 + ... + 22761.

It is an arithmetic number, because the mean of its divisors is an integer number (611820).

Almost surely, 2^4622538 is an apocalyptic number.

4622538 is an abundant number, since it is smaller than the sum of its proper divisors (5166582).

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

4622538 is a wasteful number, since it uses less digits than its factorization.

4622538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45341.

The product of its digits is 11520, while the sum is 30.

The square root of 4622538 is about 2150.0088371911. The cubic root of 4622538 is about 166.5815236225.

The spelling of 4622538 in words is "four million, six hundred twenty-two thousand, five hundred thirty-eight".