4572278 has 4 divisors (see below), whose sum is σ = 6858420. Its totient is φ = 2286138.

The previous prime is 4572277. The next prime is 4572299. The reversal of 4572278 is 8722754.

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

It is a super-2 number, since 2×4572278² = 41811452218568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4572277) 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 as a sum of consecutive naturals, namely, 1143068 + ... + 1143071.

It is an arithmetic number, because the mean of its divisors is an integer number (1714605).

Almost surely, 2^4572278 is an apocalyptic number.

4572278 is a deficient number, since it is larger than the sum of its proper divisors (2286142).

4572278 is a wasteful number, since it uses less digits than its factorization.

4572278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2286141.

The product of its digits is 31360, while the sum is 35.

The square root of 4572278 is about 2138.2885679908. The cubic root of 4572278 is about 165.9755855128.

The spelling of 4572278 in words is "four million, five hundred seventy-two thousand, two hundred seventy-eight".