226525472540 has 24 divisors (see below), whose sum is σ = 476999702592. Its totient is φ = 90363291840.

The previous prime is 226525472533. The next prime is 226525472543. The reversal of 226525472540 is 45274525622.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 226525472491 and 226525472500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226525472543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15423551 + ... + 15438230.

It is an arithmetic number, because the mean of its divisors is an integer number (19874987608).

Almost surely, 2^226525472540 is an apocalyptic number.

226525472540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226525472540 is an abundant number, since it is smaller than the sum of its proper divisors (250474230052).

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

226525472540 is a wasteful number, since it uses less digits than its factorization.

226525472540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30862157 (or 30862155 counting only the distinct ones).

The product of its (nonzero) digits is 1344000, while the sum is 44.

The spelling of 226525472540 in words is "two hundred twenty-six billion, five hundred twenty-five million, four hundred seventy-two thousand, five hundred forty".