22024215525445 has 16 divisors (see below), whose sum is σ = 30299921221248. Its totient is φ = 15054677824320.

The previous prime is 22024215525409. The next prime is 22024215525451. The reversal of 22024215525445 is 54452551242022.

It is not a de Polignac number, because 22024215525445 - 2⁷ = 22024215525317 is a prime.

It is a super-2 number, since 2×22024215525445² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 992517771 + ... + 992539960.

It is an arithmetic number, because the mean of its divisors is an integer number (1893745076328).

Almost surely, 2^{22024215525445} is an apocalyptic number.

It is an amenable number.

22024215525445 is a deficient number, since it is larger than the sum of its proper divisors (8275705695803).

22024215525445 is a wasteful number, since it uses less digits than its factorization.

22024215525445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1985058060.

The product of its (nonzero) digits is 1280000, while the sum is 43.

Adding to 22024215525445 its reverse (54452551242022), we get a palindrome (76476766767467).

The spelling of 22024215525445 in words is "twenty-two trillion, twenty-four billion, two hundred fifteen million, five hundred twenty-five thousand, four hundred forty-five".