64403022 has 16 divisors (see below), whose sum is σ = 128926800. Its totient is φ = 21447552.

The previous prime is 64403011. The next prime is 64403029. The reversal of 64403022 is 22030446.

It is a self number, because there is not a number n which added to its sum of digits gives 64403022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64403029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2854 + ... + 11702.

It is an arithmetic number, because the mean of its divisors is an integer number (8057925).

Almost surely, 2^64403022 is an apocalyptic number.

64403022 is an abundant number, since it is smaller than the sum of its proper divisors (64523778).

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

64403022 is a wasteful number, since it uses less digits than its factorization.

64403022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10067.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 64403022 is about 8025.1493444048. The cubic root of 64403022 is about 400.8378728639.

Adding to 64403022 its reverse (22030446), we get a palindrome (86433468).

It can be divided in two parts, 6 and 4403022, that added together give a triangular number (4403028 = T₂₉₆₇).

The spelling of 64403022 in words is "sixty-four million, four hundred three thousand, twenty-two".