22220520022454 has 32 divisors (see below), whose sum is σ = 36201024884640. Its totient is φ = 10168470950400.

The previous prime is 22220520022417. The next prime is 22220520022487. The reversal of 22220520022454 is 45422002502222.

It is a super-2 number, since 2×22220520022454² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22220520022454.

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, 6307892 + ... + 9177719.

It is an arithmetic number, because the mean of its divisors is an integer number (1131282027645).

Almost surely, 2^{22220520022454} is an apocalyptic number.

22220520022454 is a deficient number, since it is larger than the sum of its proper divisors (13980504862186).

22220520022454 is a wasteful number, since it uses less digits than its factorization.

22220520022454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15486096.

The product of its (nonzero) digits is 51200, while the sum is 32.

Adding to 22220520022454 its reverse (45422002502222), we get a palindrome (67642522524676).

The spelling of 22220520022454 in words is "twenty-two trillion, two hundred twenty billion, five hundred twenty million, twenty-two thousand, four hundred fifty-four".