22002071 has 8 divisors (see below), whose sum is σ = 27079584. Its totient is φ = 17408160.

The previous prime is 22002067. The next prime is 22002077. The reversal of 22002071 is 17020022.

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

It is not a de Polignac number, because 22002071 - 2² = 22002067 is a prime.

It is a super-2 number, since 2×22002071² = 968182256578082, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22002077) 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, 120800 + ... + 120981.

It is an arithmetic number, because the mean of its divisors is an integer number (3384948).

Almost surely, 2^22002071 is an apocalyptic number.

22002071 is a deficient number, since it is larger than the sum of its proper divisors (5077513).

22002071 is a wasteful number, since it uses less digits than its factorization.

22002071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241801.

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 22002071 is about 4690.6365239699. The cubic root of 22002071 is about 280.2127252494.

Adding to 22002071 its reverse (17020022), we get a palindrome (39022093).

The spelling of 22002071 in words is "twenty-two million, two thousand, seventy-one".