22012214 has 16 divisors (see below), whose sum is σ = 37821600. Its totient is φ = 9412224.

The previous prime is 22012187. The next prime is 22012231. The reversal of 22012214 is 41221022.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 5582 + ... + 8670.

It is an arithmetic number, because the mean of its divisors is an integer number (2363850).

Almost surely, 2^22012214 is an apocalyptic number.

22012214 is a deficient number, since it is larger than the sum of its proper divisors (15809386).

22012214 is a wasteful number, since it uses less digits than its factorization.

22012214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3607.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 22012214 is about 4691.7175959344. The cubic root of 22012214 is about 280.2557781819.

Adding to 22012214 its reverse (41221022), we get a palindrome (63233236).

The spelling of 22012214 in words is "twenty-two million, twelve thousand, two hundred fourteen".