22261071 has 8 divisors (see below), whose sum is σ = 33921664. Its totient is φ = 12720600.

The previous prime is 22261061. The next prime is 22261093. The reversal of 22261071 is 17016222.

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

It is not a de Polignac number, because 22261071 - 2⁷ = 22260943 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1060051 = 22261071 / (2 + 2 + 2 + 6 + 1 + 0 + 7 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22261061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 530005 + ... + 530046.

It is an arithmetic number, because the mean of its divisors is an integer number (4240208).

Almost surely, 2^22261071 is an apocalyptic number.

22261071 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22261071 is a deficient number, since it is larger than the sum of its proper divisors (11660593).

22261071 is a wasteful number, since it uses less digits than its factorization.

22261071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060061.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 22261071 is about 4718.1639437391. The cubic root of 22261071 is about 281.3079580309.

Adding to 22261071 its reverse (17016222), we get a palindrome (39277293).

The spelling of 22261071 in words is "twenty-two million, two hundred sixty-one thousand, seventy-one".