4225290 has 32 divisors (see below), whose sum is σ = 10229760. Its totient is φ = 1116864.

The previous prime is 4225283. The next prime is 4225297. The reversal of 4225290 is 925224.

It is an interprime number because it is at equal distance from previous prime (4225283) and next prime (4225297).

It is a self number, because there is not a number n which added to its sum of digits gives 4225290.

It is not an unprimeable number, because it can be changed into a prime (4225297) 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, 3256 + ... + 4364.

It is an arithmetic number, because the mean of its divisors is an integer number (319680).

Almost surely, 2^4225290 is an apocalyptic number.

4225290 is an abundant number, since it is smaller than the sum of its proper divisors (6004470).

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

4225290 is a wasteful number, since it uses less digits than its factorization.

4225290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 4225290 is about 2055.5510210160. The cubic root of 4225290 is about 161.6660549569. Note that the first 3 decimals are identical.

The spelling of 4225290 in words is "four million, two hundred twenty-five thousand, two hundred ninety".