22644102270 has 32 divisors (see below), whose sum is σ = 55502143488. Its totient is φ = 5909949728.

The previous prime is 22644102269. The next prime is 22644102281. The reversal of 22644102270 is 7220144622.

It is a super-2 number, since 2×22644102270² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8028414 + ... + 8031233.

It is an arithmetic number, because the mean of its divisors is an integer number (1734441984).

Almost surely, 2^22644102270 is an apocalyptic number.

22644102270 is an abundant number, since it is smaller than the sum of its proper divisors (32858041218).

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

22644102270 is a wasteful number, since it uses less digits than its factorization.

22644102270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16059704.

The product of its (nonzero) digits is 10752, while the sum is 30.

Adding to 22644102270 its reverse (7220144622), we get a palindrome (29864246892).

The spelling of 22644102270 in words is "twenty-two billion, six hundred forty-four million, one hundred two thousand, two hundred seventy".