2227994402 has 4 divisors (see below), whose sum is σ = 3341991606. Its totient is φ = 1113997200.

The previous prime is 2227994399. The next prime is 2227994437. The reversal of 2227994402 is 2044997222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2044997222 = 2 ⋅1022498611.

It can be written as a sum of positive squares in only one way, i.e., 1935208081 + 292786321 = 43991^2 + 17111^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2227994402.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556998599 + ... + 556998602.

Almost surely, 2^2227994402 is an apocalyptic number.

2227994402 is a deficient number, since it is larger than the sum of its proper divisors (1113997204).

2227994402 is a wasteful number, since it uses less digits than its factorization.

2227994402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113997203.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 2227994402 is about 47201.6355860684. The cubic root of 2227994402 is about 1306.0847695220.

The spelling of 2227994402 in words is "two billion, two hundred twenty-seven million, nine hundred ninety-four thousand, four hundred two".