4402278 has 24 divisors (see below), whose sum is σ = 9594000. Its totient is φ = 1458864.

The previous prime is 4402273. The next prime is 4402283. The reversal of 4402278 is 8722044.

It is an interprime number because it is at equal distance from previous prime (4402273) and next prime (4402283).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4402271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2968 + ... + 4196.

It is an arithmetic number, because the mean of its divisors is an integer number (399750).

Almost surely, 2^4402278 is an apocalyptic number.

4402278 is an abundant number, since it is smaller than the sum of its proper divisors (5191722).

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

4402278 is a wasteful number, since it uses less digits than its factorization.

4402278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1436 (or 1433 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 4402278 is about 2098.1606230220. The cubic root of 4402278 is about 163.8925282391.

It can be divided in two parts, 44022 and 78, that added together give a square (44100 = 210²).

The spelling of 4402278 in words is "four million, four hundred two thousand, two hundred seventy-eight".