222754420 has 24 divisors (see below), whose sum is σ = 534610944. Its totient is φ = 76372896.

The previous prime is 222754409. The next prime is 222754429. The reversal of 222754420 is 24457222.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222754429) 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, 795412 + ... + 795691.

It is an arithmetic number, because the mean of its divisors is an integer number (22275456).

Almost surely, 2^222754420 is an apocalyptic number.

222754420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222754420 is an abundant number, since it is smaller than the sum of its proper divisors (311856524).

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

222754420 is a wasteful number, since it uses less digits than its factorization.

222754420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1591119 (or 1591117 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 28.

The square root of 222754420 is about 14924.9596314362. The cubic root of 222754420 is about 606.1900125575.

The spelling of 222754420 in words is "two hundred twenty-two million, seven hundred fifty-four thousand, four hundred twenty".