64503222 has 16 divisors (see below), whose sum is σ = 147436032. Its totient is φ = 18429480.

The previous prime is 64503217. The next prime is 64503251. The reversal of 64503222 is 22230546.

It is a junction number, because it is equal to n+sod(n) for n = 64503192 and 64503201.

It is a congruent number.

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, 767854 + ... + 767937.

It is an arithmetic number, because the mean of its divisors is an integer number (9214752).

Almost surely, 2^64503222 is an apocalyptic number.

64503222 is an abundant number, since it is smaller than the sum of its proper divisors (82932810).

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

64503222 is a wasteful number, since it uses less digits than its factorization.

64503222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1535803.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 64503222 is about 8031.3897925577. The cubic root of 64503222 is about 401.0456433598.

Adding to 64503222 its reverse (22230546), we get a palindrome (86733768).

The spelling of 64503222 in words is "sixty-four million, five hundred three thousand, two hundred twenty-two".