22022251603501 has 16 divisors (see below), whose sum is σ = 22186520932608. Its totient is φ = 21858232320000.

The previous prime is 22022251603477. The next prime is 22022251603537. The reversal of 22022251603501 is 10530615222022.

It is a cyclic number.

It is not a de Polignac number, because 22022251603501 - 2³⁵ = 21987891865133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022251603571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1131832365 + ... + 1131851821.

It is an arithmetic number, because the mean of its divisors is an integer number (1386657558288).

Almost surely, 2^{22022251603501} is an apocalyptic number.

It is an amenable number.

22022251603501 is a deficient number, since it is larger than the sum of its proper divisors (164269329107).

22022251603501 is a wasteful number, since it uses less digits than its factorization.

22022251603501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25452.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 22022251603501 its reverse (10530615222022), we get a palindrome (32552866825523).

The spelling of 22022251603501 in words is "twenty-two trillion, twenty-two billion, two hundred fifty-one million, six hundred three thousand, five hundred one".