22045654 has 4 divisors (see below), whose sum is σ = 33068484. Its totient is φ = 11022826.

The previous prime is 22045637. The next prime is 22045657. The reversal of 22045654 is 45654022.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22045657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5511412 + ... + 5511415.

It is an arithmetic number, because the mean of its divisors is an integer number (8267121).

Almost surely, 2^22045654 is an apocalyptic number.

22045654 is a deficient number, since it is larger than the sum of its proper divisors (11022830).

22045654 is a wasteful number, since it uses less digits than its factorization.

22045654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11022829.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 22045654 is about 4695.2799703532. The cubic root of 22045654 is about 280.3976238485.

Adding to 22045654 its reverse (45654022), we get a palindrome (67699676).

The spelling of 22045654 in words is "twenty-two million, forty-five thousand, six hundred fifty-four".