2220525503442 has 12 divisors (see below), whose sum is σ = 4811138590830. Its totient is φ = 740175167808.

The previous prime is 2220525503429. The next prime is 2220525503473. The reversal of 2220525503442 is 2443055250222.

2220525503442 is a `hidden beast` number, since 2 + 2 + 20 + 52 + 550 + 34 + 4 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2033935197921 + 186590305521 = 1426161^2 + 431961^2 .

It is a super-2 number, since 2×2220525503442² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2220525503397 and 2220525503406.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61681263967 + ... + 61681264002.

Almost surely, 2^{2220525503442} is an apocalyptic number.

2220525503442 is an abundant number, since it is smaller than the sum of its proper divisors (2590613087388).

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

2220525503442 is a wasteful number, since it uses less digits than its factorization.

2220525503442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123362527977 (or 123362527974 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 36.

The spelling of 2220525503442 in words is "two trillion, two hundred twenty billion, five hundred twenty-five million, five hundred three thousand, four hundred forty-two".