66022026 has 16 divisors (see below), whose sum is σ = 150907584. Its totient is φ = 18863424.

The previous prime is 66021997. The next prime is 66022027. The reversal of 66022026 is 62022066.

It is a junction number, because it is equal to n+sod(n) for n = 66021987 and 66022005.

It is not an unprimeable number, because it can be changed into a prime (66022027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 785935 + ... + 786018.

It is an arithmetic number, because the mean of its divisors is an integer number (9431724).

Almost surely, 2^66022026 is an apocalyptic number.

66022026 is an abundant number, since it is smaller than the sum of its proper divisors (84885558).

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

66022026 is a wasteful number, since it uses less digits than its factorization.

66022026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571965.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 66022026 is about 8125.3938981443. The cubic root of 66022026 is about 404.1689527958.

The spelling of 66022026 in words is "sixty-six million, twenty-two thousand, twenty-six".