1222747230 has 32 divisors (see below), whose sum is σ = 2944174464. Its totient is φ = 325001376.

The previous prime is 1222747217. The next prime is 1222747231. The reversal of 1222747230 is 327472221.

It is a super-2 number, since 2×1222747230² = 2990221576945345800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222747231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57172 + ... + 75591.

It is an arithmetic number, because the mean of its divisors is an integer number (92005452).

Almost surely, 2^1222747230 is an apocalyptic number.

1222747230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222747230 is an abundant number, since it is smaller than the sum of its proper divisors (1721427234).

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

1222747230 is a wasteful number, since it uses less digits than its factorization.

1222747230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133080.

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 1222747230 is about 34967.8027619695. The cubic root of 1222747230 is about 1069.3311772176.

The spelling of 1222747230 in words is "one billion, two hundred twenty-two million, seven hundred forty-seven thousand, two hundred thirty".