25222222222219 has 12 divisors (see below), whose sum is σ = 27723741612448. Its totient is φ = 22929175502640.

The previous prime is 25222222222133. The next prime is 25222222222231. The reversal of 25222222222219 is 91222222222252.

It is not a de Polignac number, because 25222222222219 - 2¹³ = 25222222214027 is a prime.

It is a super-2 number, since 2×25222222222219² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25222222222279) 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, 30723697 + ... + 31533949.

Almost surely, 2^{25222222222219} is an apocalyptic number.

25222222222219 is a deficient number, since it is larger than the sum of its proper divisors (2501519390229).

25222222222219 is a wasteful number, since it uses less digits than its factorization.

25222222222219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067538 (or 1067527 counting only the distinct ones).

The product of its digits is 92160, while the sum is 37.

The spelling of 25222222222219 in words is "twenty-five trillion, two hundred twenty-two billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred nineteen".