22274416940778 has 48 divisors (see below), whose sum is σ = 50651686272096. Its totient is φ = 7335350143920.

The previous prime is 22274416940773. The next prime is 22274416940791. The reversal of 22274416940778 is 87704961447222.

22274416940778 is a `hidden beast` number, since 2 + 2 + 27 + 44 + 169 + 407 + 7 + 8 = 666.

It is a super-2 number, since 2×22274416940778² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22274416940773) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 276056853 + ... + 276137528.

It is an arithmetic number, because the mean of its divisors is an integer number (1055243464002).

Almost surely, 2^{22274416940778} is an apocalyptic number.

22274416940778 is an abundant number, since it is smaller than the sum of its proper divisors (28377269331318).

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

22274416940778 is an equidigital number, since it uses as much as digits as its factorization.

22274416940778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552194481 (or 552194469 counting only the distinct ones).

The product of its (nonzero) digits is 75866112, while the sum is 63.

The spelling of 22274416940778 in words is "twenty-two trillion, two hundred seventy-four billion, four hundred sixteen million, nine hundred forty thousand, seven hundred seventy-eight".