22061501 has 8 divisors (see below), whose sum is σ = 27505344. Its totient is φ = 17190720.

The previous prime is 22061477. The next prime is 22061503. The reversal of 22061501 is 10516022.

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

It is a cyclic number.

It is not a de Polignac number, because 22061501 - 2⁶ = 22061437 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22061501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22061503) 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, 143180 + ... + 143333.

It is an arithmetic number, because the mean of its divisors is an integer number (3438168).

Almost surely, 2^22061501 is an apocalyptic number.

It is an amenable number.

22061501 is a deficient number, since it is larger than the sum of its proper divisors (5443843).

22061501 is a wasteful number, since it uses less digits than its factorization.

22061501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286531.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 22061501 is about 4696.9672130003. The cubic root of 22061501 is about 280.4647935028.

Adding to 22061501 its reverse (10516022), we get a palindrome (32577523).

The spelling of 22061501 in words is "twenty-two million, sixty-one thousand, five hundred one".