19922214 has 16 divisors (see below), whose sum is σ = 42909552. Its totient is φ = 6129888.

The previous prime is 19922197. The next prime is 19922233. The reversal of 19922214 is 41222991.

It is a happy number.

19922214 is nontrivially palindromic in base 12.

It is a super-2 number, since 2×19922214² = 793789221323592, which contains 22 as substring.

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, 127629 + ... + 127784.

It is an arithmetic number, because the mean of its divisors is an integer number (2681847).

Almost surely, 2^19922214 is an apocalyptic number.

19922214 is an abundant number, since it is smaller than the sum of its proper divisors (22987338).

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

19922214 is a wasteful number, since it uses less digits than its factorization.

19922214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255431.

The product of its digits is 2592, while the sum is 30.

The square root of 19922214 is about 4463.4307432736. The cubic root of 19922214 is about 271.0893983004.

The spelling of 19922214 in words is "nineteen million, nine hundred twenty-two thousand, two hundred fourteen".