22765265421450 has 48 divisors (see below), whose sum is σ = 56458167103776. Its totient is φ = 6070704235200.

The previous prime is 22765265421403. The next prime is 22765265421517. The reversal of 22765265421450 is 5412456256722.

It is a super-2 number, since 2×22765265421450² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22765265421393 and 22765265421402.

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, 40479180 + ... + 41037720.

It is an arithmetic number, because the mean of its divisors is an integer number (1176211814662).

Almost surely, 2^{22765265421450} is an apocalyptic number.

22765265421450 is an abundant number, since it is smaller than the sum of its proper divisors (33692901682326).

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

22765265421450 is a wasteful number, since it uses less digits than its factorization.

22765265421450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830279 (or 830274 counting only the distinct ones).

The product of its (nonzero) digits is 8064000, while the sum is 51.

The spelling of 22765265421450 in words is "twenty-two trillion, seven hundred sixty-five billion, two hundred sixty-five million, four hundred twenty-one thousand, four hundred fifty".