22073644 has 12 divisors (see below), whose sum is σ = 39451104. Its totient is φ = 10801904.

The previous prime is 22073591. The next prime is 22073647. The reversal of 22073644 is 44637022.

It is not an unprimeable number, because it can be changed into a prime (22073647) 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, 58519 + ... + 58894.

It is an arithmetic number, because the mean of its divisors is an integer number (3287592).

Almost surely, 2^22073644 is an apocalyptic number.

It is an amenable number.

22073644 is a deficient number, since it is larger than the sum of its proper divisors (17377460).

22073644 is a wasteful number, since it uses less digits than its factorization.

22073644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117464 (or 117462 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 22073644 is about 4698.2596777956. The cubic root of 22073644 is about 280.5162414880.

It can be divided in two parts, 220736 and 44, that added together give a triangular number (220780 = T₆₆₄).

The spelling of 22073644 in words is "twenty-two million, seventy-three thousand, six hundred forty-four".