30225526 has 4 divisors (see below), whose sum is σ = 45338292. Its totient is φ = 15112762.

The previous prime is 30225521. The next prime is 30225551. The reversal of 30225526 is 62552203.

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

It is a self number, because there is not a number n which added to its sum of digits gives 30225526.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30225521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7556380 + ... + 7556383.

It is an arithmetic number, because the mean of its divisors is an integer number (11334573).

Almost surely, 2^30225526 is an apocalyptic number.

30225526 is a deficient number, since it is larger than the sum of its proper divisors (15112766).

30225526 is a wasteful number, since it uses less digits than its factorization.

30225526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15112765.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 30225526 is about 5497.7746407069. The cubic root of 30225526 is about 311.4999317237.

Adding to 30225526 its reverse (62552203), we get a palindrome (92777729).

It can be divided in two parts, 302255 and 26, that multiplied together give a triangular number (7858630 = T₃₉₆₄).

The spelling of 30225526 in words is "thirty million, two hundred twenty-five thousand, five hundred twenty-six".