22021105670 has 8 divisors (see below), whose sum is σ = 39637990224. Its totient is φ = 8808442264.

The previous prime is 22021105619. The next prime is 22021105693. The reversal of 22021105670 is 7650112022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×22021105670² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1101055274 + ... + 1101055293.

It is an arithmetic number, because the mean of its divisors is an integer number (4954748778).

Almost surely, 2^22021105670 is an apocalyptic number.

22021105670 is a deficient number, since it is larger than the sum of its proper divisors (17616884554).

22021105670 is a wasteful number, since it uses less digits than its factorization.

22021105670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2202110574.

The product of its (nonzero) digits is 1680, while the sum is 26.

Adding to 22021105670 its reverse (7650112022), we get a palindrome (29671217692).

The spelling of 22021105670 in words is "twenty-two billion, twenty-one million, one hundred five thousand, six hundred seventy".