866150722 has 8 divisors (see below), whose sum is σ = 1299357900. Its totient is φ = 433031424.

The previous prime is 866150717. The next prime is 866150737. The reversal of 866150722 is 227051668.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 866066041 + 84681 = 29429^2 + 291^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×866150722² = 1500434146442242568, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15354 + ... + 44362.

Almost surely, 2^866150722 is an apocalyptic number.

866150722 is a deficient number, since it is larger than the sum of its proper divisors (433207178).

866150722 is a wasteful number, since it uses less digits than its factorization.

866150722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43940.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 866150722 is about 29430.4386987350. The cubic root of 866150722 is about 953.2302676273.

The spelling of 866150722 in words is "eight hundred sixty-six million, one hundred fifty thousand, seven hundred twenty-two".