64622230 has 16 divisors (see below), whose sum is σ = 122442480. Its totient is φ = 24488352.

The previous prime is 64622189. The next prime is 64622251. The reversal of 64622230 is 3222646.

It is a happy number.

It is a super-2 number, since 2×64622230² = 8352065220345800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64622195 and 64622204.

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, 169869 + ... + 170248.

It is an arithmetic number, because the mean of its divisors is an integer number (7652655).

Almost surely, 2^64622230 is an apocalyptic number.

64622230 is a deficient number, since it is larger than the sum of its proper divisors (57820250).

64622230 is a wasteful number, since it uses less digits than its factorization.

64622230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340143.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 64622230 is about 8038.7953077560. The cubic root of 64622230 is about 401.2921339799.

Adding to 64622230 its reverse (3222646), we get a palindrome (67844876).

The spelling of 64622230 in words is "sixty-four million, six hundred twenty-two thousand, two hundred thirty".