22440442202442 has 48 divisors (see below), whose sum is σ = 54274557905568. Its totient is φ = 6641991347040.

The previous prime is 22440442202329. The next prime is 22440442202491. The reversal of 22440442202442 is 24420224404422.

22440442202442 is a `hidden beast` number, since 2 + 2 + 4 + 4 + 0 + 4 + 4 + 2 + 202 + 442 = 666.

It is a super-3 number, since 3×22440442202442³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 22440442202397 and 22440442202406.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1317846913 + ... + 1317863940.

It is an arithmetic number, because the mean of its divisors is an integer number (1130719956366).

Almost surely, 2^{22440442202442} is an apocalyptic number.

22440442202442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22440442202442 is an abundant number, since it is smaller than the sum of its proper divisors (31834115703126).

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

22440442202442 is a wasteful number, since it uses less digits than its factorization.

22440442202442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2635710915 (or 2635710912 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 36.

Adding to 22440442202442 its reverse (24420224404422), we get a palindrome (46860666606864).

The spelling of 22440442202442 in words is "twenty-two trillion, four hundred forty billion, four hundred forty-two million, two hundred two thousand, four hundred forty-two".