22053519 has 32 divisors (see below), whose sum is σ = 33815040. Its totient is φ = 14198976.

The previous prime is 22053503. The next prime is 22053557. The reversal of 22053519 is 91535022.

It is not a de Polignac number, because 22053519 - 2⁴ = 22053503 is a prime.

It is a super-2 number, since 2×22053519² = 972715400566722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 22053492 and 22053501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22053569) 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, 131974 + ... + 132140.

It is an arithmetic number, because the mean of its divisors is an integer number (1056720).

Almost surely, 2^22053519 is an apocalyptic number.

22053519 is a deficient number, since it is larger than the sum of its proper divisors (11761521).

22053519 is a wasteful number, since it uses less digits than its factorization.

22053519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 22053519 is about 4696.1174389063. The cubic root of 22053519 is about 280.4309647375.

The spelling of 22053519 in words is "twenty-two million, fifty-three thousand, five hundred nineteen".