227211061440 has 224 divisors, whose sum is σ = 789244243200. Its totient is φ = 54922752000.

The previous prime is 227211061421. The next prime is 227211061453. The reversal of 227211061440 is 44160112722.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 227211061398 and 227211061407.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3654615 + ... + 3716265.

It is an arithmetic number, because the mean of its divisors is an integer number (3523411800).

Almost surely, 2^227211061440 is an apocalyptic number.

227211061440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 227211061440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (394622121600).

227211061440 is an abundant number, since it is smaller than the sum of its proper divisors (562033181760).

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

227211061440 is a wasteful number, since it uses less digits than its factorization.

227211061440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62031 (or 62021 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The spelling of 227211061440 in words is "two hundred twenty-seven billion, two hundred eleven million, sixty-one thousand, four hundred forty".