22645048 has 8 divisors (see below), whose sum is σ = 42459480. Its totient is φ = 11322520.

The previous prime is 22645043. The next prime is 22645057. The reversal of 22645048 is 84054622.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22645043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1415308 + ... + 1415323.

It is an arithmetic number, because the mean of its divisors is an integer number (5307435).

Almost surely, 2^22645048 is an apocalyptic number.

It is an amenable number.

22645048 is a deficient number, since it is larger than the sum of its proper divisors (19814432).

22645048 is a wasteful number, since it uses less digits than its factorization.

22645048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2830637 (or 2830633 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 22645048 is about 4758.6813299485. The cubic root of 22645048 is about 282.9161559110.

The spelling of 22645048 in words is "twenty-two million, six hundred forty-five thousand, forty-eight".