223429390 has 8 divisors (see below), whose sum is σ = 402172920. Its totient is φ = 89371752.

The previous prime is 223429387. The next prime is 223429391. The reversal of 223429390 is 93924322.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223429391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11171460 + ... + 11171479.

It is an arithmetic number, because the mean of its divisors is an integer number (50271615).

Almost surely, 2^223429390 is an apocalyptic number.

223429390 is a deficient number, since it is larger than the sum of its proper divisors (178743530).

223429390 is a wasteful number, since it uses less digits than its factorization.

223429390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22342946.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 223429390 is about 14947.5546495071. The cubic root of 223429390 is about 606.8016689586.

The spelling of 223429390 in words is "two hundred twenty-three million, four hundred twenty-nine thousand, three hundred ninety".