10722978 has 24 divisors (see below), whose sum is σ = 26552448. Its totient is φ = 3063672.

The previous prime is 10722977. The next prime is 10722979. The reversal of 10722978 is 87922701.

10722978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10722977) and next prime (10722979).

It is a super-2 number, since 2×10722978² = 229964514376968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10722977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42426 + ... + 42677.

It is an arithmetic number, because the mean of its divisors is an integer number (1106352).

Almost surely, 2^10722978 is an apocalyptic number.

10722978 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

10722978 is an abundant number, since it is smaller than the sum of its proper divisors (15829470).

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

10722978 is a wasteful number, since it uses less digits than its factorization.

10722978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85118 (or 85115 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 10722978 is about 3274.5958529260. The cubic root of 10722978 is about 220.5151701041.

The spelling of 10722978 in words is "ten million, seven hundred twenty-two thousand, nine hundred seventy-eight".