421224853 has 8 divisors (see below), whose sum is σ = 482328000. Its totient is φ = 360353760.

The previous prime is 421224823. The next prime is 421224871. The reversal of 421224853 is 358422124.

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

It is a cyclic number.

It is not a de Polignac number, because 421224853 - 2¹³ = 421216661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421224803) 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, 54103 + ... + 61396.

It is an arithmetic number, because the mean of its divisors is an integer number (60291000).

Almost surely, 2^421224853 is an apocalyptic number.

It is an amenable number.

421224853 is a deficient number, since it is larger than the sum of its proper divisors (61103147).

421224853 is a wasteful number, since it uses less digits than its factorization.

421224853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116027.

The product of its digits is 15360, while the sum is 31.

The square root of 421224853 is about 20523.7631296017. The cubic root of 421224853 is about 749.6145296211.

Adding to 421224853 its reverse (358422124), we get a palindrome (779646977).

The spelling of 421224853 in words is "four hundred twenty-one million, two hundred twenty-four thousand, eight hundred fifty-three".