64922946 has 32 divisors (see below), whose sum is σ = 141956928. Its totient is φ = 19631040.

The previous prime is 64922941. The next prime is 64922947.

64922946 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 64922898 and 64922907.

It is not an unprimeable number, because it can be changed into a prime (64922941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43956 + ... + 45408.

It is an arithmetic number, because the mean of its divisors is an integer number (4436154).

Almost surely, 2^64922946 is an apocalyptic number.

64922946 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

64922946 is an abundant number, since it is smaller than the sum of its proper divisors (77033982).

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

64922946 is a wasteful number, since it uses less digits than its factorization.

64922946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2146.

The product of its digits is 186624, while the sum is 42.

The square root of 64922946 is about 8057.4776450202. The cubic root of 64922946 is about 401.9136345740.

The spelling of 64922946 in words is "sixty-four million, nine hundred twenty-two thousand, nine hundred forty-six".