225322019 has 16 divisors (see below), whose sum is σ = 252021504. Its totient is φ = 200102400.

The previous prime is 225321997. The next prime is 225322037. The reversal of 225322019 is 910223522.

It is a cyclic number.

It is not a de Polignac number, because 225322019 - 2¹⁶ = 225256483 is a prime.

It is a super-2 number, since 2×225322019² = 101540024492472722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225372019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36014 + ... + 41804.

It is an arithmetic number, because the mean of its divisors is an integer number (15751344).

Almost surely, 2^225322019 is an apocalyptic number.

225322019 is a deficient number, since it is larger than the sum of its proper divisors (26699485).

225322019 is a wasteful number, since it uses less digits than its factorization.

225322019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5918.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 225322019 is about 15010.7301288112. The cubic root of 225322019 is about 608.5102219239.

The spelling of 225322019 in words is "two hundred twenty-five million, three hundred twenty-two thousand, nineteen".