22155250214 has 4 divisors (see below), whose sum is σ = 33232875324. Its totient is φ = 11077625106.

The previous prime is 22155250189. The next prime is 22155250253. The reversal of 22155250214 is 41205255122.

It is a happy number.

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

It is a super-2 number, since 2×22155250214² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5538812552 + ... + 5538812555.

It is an arithmetic number, because the mean of its divisors is an integer number (8308218831).

Almost surely, 2^22155250214 is an apocalyptic number.

22155250214 is a deficient number, since it is larger than the sum of its proper divisors (11077625110).

22155250214 is a wasteful number, since it uses less digits than its factorization.

22155250214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11077625109.

The product of its (nonzero) digits is 8000, while the sum is 29.

The spelling of 22155250214 in words is "twenty-two billion, one hundred fifty-five million, two hundred fifty thousand, two hundred fourteen".