22401064 has 32 divisors (see below), whose sum is σ = 48185280. Its totient is φ = 9563904.

The previous prime is 22401037. The next prime is 22401077. The reversal of 22401064 is 46010422.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18279 + ... + 19465.

It is an arithmetic number, because the mean of its divisors is an integer number (1505790).

Almost surely, 2^22401064 is an apocalyptic number.

It is an amenable number.

22401064 is an abundant number, since it is smaller than the sum of its proper divisors (25784216).

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

22401064 is a wasteful number, since it uses less digits than its factorization.

22401064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1537 (or 1533 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 22401064 is about 4732.9762306608. The cubic root of 22401064 is about 281.8964125011.

Adding to 22401064 its reverse (46010422), we get a palindrome (68411486).

The spelling of 22401064 in words is "twenty-two million, four hundred one thousand, sixty-four".