66022276 has 12 divisors (see below), whose sum is σ = 115935372. Its totient is φ = 32897888.

The previous prime is 66022273. The next prime is 66022301. The reversal of 66022276 is 67222066.

It can be written as a sum of positive squares in 2 ways, for example, as 29419776 + 36602500 = 5424^2 + 6050^2 .

It is not an unprimeable number, because it can be changed into a prime (66022273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26995 + ... + 29338.

It is an arithmetic number, because the mean of its divisors is an integer number (9661281).

Almost surely, 2^66022276 is an apocalyptic number.

It is an amenable number.

66022276 is a deficient number, since it is larger than the sum of its proper divisors (49913096).

66022276 is a wasteful number, since it uses less digits than its factorization.

66022276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56630 (or 56628 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 66022276 is about 8125.4092819993. The cubic root of 66022276 is about 404.1694629393.

The spelling of 66022276 in words is "sixty-six million, twenty-two thousand, two hundred seventy-six".