22040046778222 has 32 divisors (see below), whose sum is σ = 36949955190624. Its totient is φ = 9772592908800.

The previous prime is 22040046778129. The next prime is 22040046778231. The reversal of 22040046778222 is 22287764004022.

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, 5417388 + ... + 8569024.

It is an arithmetic number, because the mean of its divisors is an integer number (1154686099707).

Almost surely, 2^{22040046778222} is an apocalyptic number.

22040046778222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22040046778222 is a deficient number, since it is larger than the sum of its proper divisors (14909908412402).

22040046778222 is a wasteful number, since it uses less digits than its factorization.

22040046778222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3159444.

The product of its (nonzero) digits is 1204224, while the sum is 46.

The spelling of 22040046778222 in words is "twenty-two trillion, forty billion, forty-six million, seven hundred seventy-eight thousand, two hundred twenty-two".