22025011 has 4 divisors (see below), whose sum is σ = 22171024. Its totient is φ = 21879000.

The previous prime is 22024997. The next prime is 22025021. The reversal of 22025011 is 11052022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22025011 - 2⁷ = 22024883 is a prime.

It is a super-2 number, since 2×22025011² = 970202219100242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22024982 and 22025000.

It is not an unprimeable number, because it can be changed into a prime (22025021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72780 + ... + 73081.

It is an arithmetic number, because the mean of its divisors is an integer number (5542756).

Almost surely, 2^22025011 is an apocalyptic number.

22025011 is a deficient number, since it is larger than the sum of its proper divisors (146013).

22025011 is a wasteful number, since it uses less digits than its factorization.

22025011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146012.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 22025011 is about 4693.0811840410. The cubic root of 22025011 is about 280.3100774059.

Adding to 22025011 its reverse (11052022), we get a palindrome (33077033).

The spelling of 22025011 in words is "twenty-two million, twenty-five thousand, eleven".