22273772502 has 8 divisors (see below), whose sum is σ = 44547545016. Its totient is φ = 7424590832.

The previous prime is 22273772467. The next prime is 22273772519. The reversal of 22273772502 is 20527737222.

It is a sphenic number, since it is the product of 3 distinct primes.

22273772502 is an admirable number.

It is a super-2 number, since 2×22273772502² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1856147703 + ... + 1856147714.

It is an arithmetic number, because the mean of its divisors is an integer number (5568443127).

Almost surely, 2^22273772502 is an apocalyptic number.

22273772502 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22273772502 is a wasteful number, since it uses less digits than its factorization.

22273772502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3712295422.

The product of its (nonzero) digits is 164640, while the sum is 39.

The spelling of 22273772502 in words is "twenty-two billion, two hundred seventy-three million, seven hundred seventy-two thousand, five hundred two".