22397045454 has 320 divisors, whose sum is σ = 65335818240. Its totient is φ = 5580057600.

The previous prime is 22397045449. The next prime is 22397045521. The reversal of 22397045454 is 45454079322.

22397045454 is a `hidden beast` number, since 2 + 2 + 39 + 70 + 4 + 545 + 4 = 666.

It is a super-3 number, since 3×22397045454³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 17214604 + ... + 17215904.

It is an arithmetic number, because the mean of its divisors is an integer number (204174432).

Almost surely, 2^22397045454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22397045454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32667909120).

22397045454 is an abundant number, since it is smaller than the sum of its proper divisors (42938772786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22397045454 is a wasteful number, since it uses less digits than its factorization.

22397045454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1405 (or 1396 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 45.

It can be divided in two parts, 22 and 397045454, that added together give a square (397045476 = 19926²).

The spelling of 22397045454 in words is "twenty-two billion, three hundred ninety-seven million, forty-five thousand, four hundred fifty-four".