227022642 has 128 divisors (see below), whose sum is σ = 638668800. Its totient is φ = 58060800.

The previous prime is 227022637. The next prime is 227022647. The reversal of 227022642 is 246220722.

It is an interprime number because it is at equal distance from previous prime (227022637) and next prime (227022647).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (227022647) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 294834 + ... + 295602.

It is an arithmetic number, because the mean of its divisors is an integer number (4989600).

Almost surely, 2^227022642 is an apocalyptic number.

227022642 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 227022642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319334400).

227022642 is an abundant number, since it is smaller than the sum of its proper divisors (411646158).

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

227022642 is a wasteful number, since it uses less digits than its factorization.

227022642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869 (or 863 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 227022642 is about 15067.2705557443. The cubic root of 227022642 is about 610.0373013112.

The spelling of 227022642 in words is "two hundred twenty-seven million, twenty-two thousand, six hundred forty-two".