225220719 has 8 divisors (see below), whose sum is σ = 300493872. Its totient is φ = 150047360.

The previous prime is 225220717. The next prime is 225220763. The reversal of 225220719 is 917022522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 225220719 - 2¹ = 225220717 is a prime.

It is a super-2 number, since 2×225220719² = 101448744533753922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225220717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19512 + ... + 28829.

It is an arithmetic number, because the mean of its divisors is an integer number (37561734).

Almost surely, 2^225220719 is an apocalyptic number.

225220719 is a deficient number, since it is larger than the sum of its proper divisors (75273153).

225220719 is a wasteful number, since it uses less digits than its factorization.

225220719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49897.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 225220719 is about 15007.3554965557. The cubic root of 225220719 is about 608.4190171588.

The spelling of 225220719 in words is "two hundred twenty-five million, two hundred twenty thousand, seven hundred nineteen".