22001214 has 16 divisors (see below), whose sum is σ = 44407440. Its totient is φ = 7266240.

The previous prime is 22001209. The next prime is 22001237. The reversal of 22001214 is 41210022.

It is a self number, because there is not a number n which added to its sum of digits gives 22001214.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16167 + ... + 17474.

It is an arithmetic number, because the mean of its divisors is an integer number (2775465).

Almost surely, 2^22001214 is an apocalyptic number.

22001214 is an abundant number, since it is smaller than the sum of its proper divisors (22406226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22001214 is a wasteful number, since it uses less digits than its factorization.

22001214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33755.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 22001214 is about 4690.5451708730. The cubic root of 22001214 is about 280.2090870249.

Adding to 22001214 its reverse (41210022), we get a palindrome (63211236).

The spelling of 22001214 in words is "twenty-two million, one thousand, two hundred fourteen".