224777940 has 24 divisors (see below), whose sum is σ = 629378400. Its totient is φ = 59940768.

The previous prime is 224777939. The next prime is 224777941. The reversal of 224777940 is 49777422.

It is an interprime number because it is at equal distance from previous prime (224777939) and next prime (224777941).

It is a junction number, because it is equal to n+sod(n) for n = 224777892 and 224777901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224777941) 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, 1873090 + ... + 1873209.

It is an arithmetic number, because the mean of its divisors is an integer number (26224100).

Almost surely, 2^224777940 is an apocalyptic number.

224777940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224777940 is an abundant number, since it is smaller than the sum of its proper divisors (404600460).

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

224777940 is a wasteful number, since it uses less digits than its factorization.

224777940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3746311 (or 3746309 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 42.

The square root of 224777940 is about 14992.5961727781. The cubic root of 224777940 is about 608.0200427661.

The spelling of 224777940 in words is "two hundred twenty-four million, seven hundred seventy-seven thousand, nine hundred forty".