222450345511 has 8 divisors (see below), whose sum is σ = 227011028400. Its totient is φ = 217930565952.

The previous prime is 222450345479. The next prime is 222450345517. The reversal of 222450345511 is 115543054222.

It is a happy number.

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

It is not a de Polignac number, because 222450345511 - 2⁵ = 222450345479 is a prime.

It is a super-2 number, since 2×222450345511² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222450345517) 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, 10214845 + ... + 10236598.

It is an arithmetic number, because the mean of its divisors is an integer number (28376378550).

Almost surely, 2^222450345511 is an apocalyptic number.

222450345511 is a deficient number, since it is larger than the sum of its proper divisors (4560682889).

222450345511 is a wasteful number, since it uses less digits than its factorization.

222450345511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20451665.

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 222450345511 its reverse (115543054222), we get a palindrome (337993399733).

The spelling of 222450345511 in words is "two hundred twenty-two billion, four hundred fifty million, three hundred forty-five thousand, five hundred eleven".