10223027661 has 32 divisors (see below), whose sum is σ = 17010432000. Its totient is φ = 5305567680.

The previous prime is 10223027629. The next prime is 10223027663. The reversal of 10223027661 is 16672032201.

It is not a de Polignac number, because 10223027661 - 2⁵ = 10223027629 is a prime.

It is a super-2 number, since 2×10223027661² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10223027663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 226240 + ... + 267638.

It is an arithmetic number, because the mean of its divisors is an integer number (531576000).

Almost surely, 2^10223027661 is an apocalyptic number.

10223027661 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10223027661 is a deficient number, since it is larger than the sum of its proper divisors (6787404339).

10223027661 is a wasteful number, since it uses less digits than its factorization.

10223027661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42489.

The product of its (nonzero) digits is 6048, while the sum is 30.

Adding to 10223027661 its reverse (16672032201), we get a palindrome (26895059862).

The spelling of 10223027661 in words is "ten billion, two hundred twenty-three million, twenty-seven thousand, six hundred sixty-one".