66226214 has 4 divisors (see below), whose sum is σ = 99339324. Its totient is φ = 33113106.

The previous prime is 66226207. The next prime is 66226231. The reversal of 66226214 is 41262266.

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

It is a super-2 number, since 2×66226214² = 8771822841547592, 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 as a sum of consecutive naturals, namely, 16556552 + ... + 16556555.

It is an arithmetic number, because the mean of its divisors is an integer number (24834831).

Almost surely, 2^66226214 is an apocalyptic number.

66226214 is a deficient number, since it is larger than the sum of its proper divisors (33113110).

66226214 is a wasteful number, since it uses less digits than its factorization.

66226214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33113109.

The product of its digits is 6912, while the sum is 29.

The square root of 66226214 is about 8137.9490045097. The cubic root of 66226214 is about 404.5851851948.

The spelling of 66226214 in words is "sixty-six million, two hundred twenty-six thousand, two hundred fourteen".